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Finding the Fourth Proportional to 73,269.20, 109,774.20 and 62,901.20

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Solution

The fourth proportional to 73,269.20, 109,774.20 and 62,901.20 is: 94,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,269.20 : 109,774.20 = 62,901.20 : x
  2. Step 2: Convert to fraction form
    73,269.20/109,774.20 = 62,901.20/x
  3. Step 3: Cross multiply
    73,269.20x = 109,774.20 × 62,901.20
  4. Step 4: Simplify right side
    73,269.20x = 6,904,928,909.04
  5. Step 5: Solve for x
    x = 6,904,928,909.04/73,269.20
  6. Step 6: Final answer
    x = 94,240.54

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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.