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Finding the Fourth Proportional to 72,737.96, 109,107.04 and 22,821.88

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Solution

The fourth proportional to 72,737.96, 109,107.04 and 22,821.88 is: 34,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,737.96 : 109,107.04 = 22,821.88 : x
  2. Step 2: Convert to fraction form
    72,737.96/109,107.04 = 22,821.88/x
  3. Step 3: Cross multiply
    72,737.96x = 109,107.04 × 22,821.88
  4. Step 4: Simplify right side
    72,737.96x = 2,490,027,774.04
  5. Step 5: Solve for x
    x = 2,490,027,774.04/72,737.96
  6. Step 6: Final answer
    x = 34,232.85

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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.