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Finding the Fourth Proportional to 60,498.46, 90,737.43 and 16,129.90

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Solution

The fourth proportional to 60,498.46, 90,737.43 and 16,129.90 is: 24,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,498.46 : 90,737.43 = 16,129.90 : x
  2. Step 2: Convert to fraction form
    60,498.46/90,737.43 = 16,129.90/x
  3. Step 3: Cross multiply
    60,498.46x = 90,737.43 × 16,129.90
  4. Step 4: Simplify right side
    60,498.46x = 1,463,585,672.16
  5. Step 5: Solve for x
    x = 1,463,585,672.16/60,498.46
  6. Step 6: Final answer
    x = 24,192.11

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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.