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Finding the Fourth Proportional to 145,597.68, 218,357.16 and 62,472.24

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Solution

The fourth proportional to 145,597.68, 218,357.16 and 62,472.24 is: 93,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,597.68 : 218,357.16 = 62,472.24 : x
  2. Step 2: Convert to fraction form
    145,597.68/218,357.16 = 62,472.24/x
  3. Step 3: Cross multiply
    145,597.68x = 218,357.16 × 62,472.24
  4. Step 4: Simplify right side
    145,597.68x = 13,641,260,905.24
  5. Step 5: Solve for x
    x = 13,641,260,905.24/145,597.68
  6. Step 6: Final answer
    x = 93,691.47

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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.