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Finding the Fourth Proportional to 72,337.32, 108,522.81 and 22,414.77

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Solution

The fourth proportional to 72,337.32, 108,522.81 and 22,414.77 is: 33,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.32 : 108,522.81 = 22,414.77 : x
  2. Step 2: Convert to fraction form
    72,337.32/108,522.81 = 22,414.77/x
  3. Step 3: Cross multiply
    72,337.32x = 108,522.81 × 22,414.77
  4. Step 4: Simplify right side
    72,337.32x = 2,432,513,825.90
  5. Step 5: Solve for x
    x = 2,432,513,825.90/72,337.32
  6. Step 6: Final answer
    x = 33,627.37

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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.