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Finding the Fourth Proportional to 84,210.52, 116,210.50 and 46,484.76

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Solution

The fourth proportional to 84,210.52, 116,210.50 and 46,484.76 is: 64,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,210.52 : 116,210.50 = 46,484.76 : x
  2. Step 2: Convert to fraction form
    84,210.52/116,210.50 = 46,484.76/x
  3. Step 3: Cross multiply
    84,210.52x = 116,210.50 × 46,484.76
  4. Step 4: Simplify right side
    84,210.52x = 5,402,017,201.98
  5. Step 5: Solve for x
    x = 5,402,017,201.98/84,210.52
  6. Step 6: Final answer
    x = 64,148.96

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Half scale
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Double scale
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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.