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Finding the Fourth Proportional to 162,737.80, 244,145.67 and 67,915.24

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Solution

The fourth proportional to 162,737.80, 244,145.67 and 67,915.24 is: 101,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,737.80 : 244,145.67 = 67,915.24 : x
  2. Step 2: Convert to fraction form
    162,737.80/244,145.67 = 67,915.24/x
  3. Step 3: Cross multiply
    162,737.80x = 244,145.67 × 67,915.24
  4. Step 4: Simplify right side
    162,737.80x = 16,581,211,773.01
  5. Step 5: Solve for x
    x = 16,581,211,773.01/162,737.80
  6. Step 6: Final answer
    x = 101,889.12

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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.