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Finding the Fourth Proportional to 109,455.63, 151,048.76 and 59,154.63

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Solution

The fourth proportional to 109,455.63, 151,048.76 and 59,154.63 is: 81,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,455.63 : 151,048.76 = 59,154.63 : x
  2. Step 2: Convert to fraction form
    109,455.63/151,048.76 = 59,154.63/x
  3. Step 3: Cross multiply
    109,455.63x = 151,048.76 × 59,154.63
  4. Step 4: Simplify right side
    109,455.63x = 8,935,233,509.76
  5. Step 5: Solve for x
    x = 8,935,233,509.76/109,455.63
  6. Step 6: Final answer
    x = 81,633.38

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Half scale
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Double scale
Find fourth proportional to 109,456.63, 151,050.14 and 59,155.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.