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Finding the Fourth Proportional to 73,101.92, 109,653.48 and 62,503.28

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Solution

The fourth proportional to 73,101.92, 109,653.48 and 62,503.28 is: 93,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,101.92 : 109,653.48 = 62,503.28 : x
  2. Step 2: Convert to fraction form
    73,101.92/109,653.48 = 62,503.28/x
  3. Step 3: Cross multiply
    73,101.92x = 109,653.48 × 62,503.28
  4. Step 4: Simplify right side
    73,101.92x = 6,853,702,163.41
  5. Step 5: Solve for x
    x = 6,853,702,163.41/73,101.92
  6. Step 6: Final answer
    x = 93,755.43

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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.