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Finding the Fourth Proportional to 88,737.76, 122,457.17 and 48,451.40

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Solution

The fourth proportional to 88,737.76, 122,457.17 and 48,451.40 is: 66,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,737.76 : 122,457.17 = 48,451.40 : x
  2. Step 2: Convert to fraction form
    88,737.76/122,457.17 = 48,451.40/x
  3. Step 3: Cross multiply
    88,737.76x = 122,457.17 × 48,451.40
  4. Step 4: Simplify right side
    88,737.76x = 5,933,220,835.38
  5. Step 5: Solve for x
    x = 5,933,220,835.38/88,737.76
  6. Step 6: Final answer
    x = 66,862.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.