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Finding the Fourth Proportional to 109,973.45, 151,765.13 and 59,672.45

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Solution

The fourth proportional to 109,973.45, 151,765.13 and 59,672.45 is: 82,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.45 : 151,765.13 = 59,672.45 : x
  2. Step 2: Convert to fraction form
    109,973.45/151,765.13 = 59,672.45/x
  3. Step 3: Cross multiply
    109,973.45x = 151,765.13 × 59,672.45
  4. Step 4: Simplify right side
    109,973.45x = 9,056,197,131.67
  5. Step 5: Solve for x
    x = 9,056,197,131.67/109,973.45
  6. Step 6: Final answer
    x = 82,348.94

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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.