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Finding the Fourth Proportional to 96,593.31, 144,931.68 and 52,251.28

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Solution

The fourth proportional to 96,593.31, 144,931.68 and 52,251.28 is: 78,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,593.31 : 144,931.68 = 52,251.28 : x
  2. Step 2: Convert to fraction form
    96,593.31/144,931.68 = 52,251.28/x
  3. Step 3: Cross multiply
    96,593.31x = 144,931.68 × 52,251.28
  4. Step 4: Simplify right side
    96,593.31x = 7,572,865,430.22
  5. Step 5: Solve for x
    x = 7,572,865,430.22/96,593.31
  6. Step 6: Final answer
    x = 78,399.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.