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Finding the Fourth Proportional to 162,490.38, 224,229.99 and 88,902.45

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Solution

The fourth proportional to 162,490.38, 224,229.99 and 88,902.45 is: 122,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,490.38 : 224,229.99 = 88,902.45 : x
  2. Step 2: Convert to fraction form
    162,490.38/224,229.99 = 88,902.45/x
  3. Step 3: Cross multiply
    162,490.38x = 224,229.99 × 88,902.45
  4. Step 4: Simplify right side
    162,490.38x = 19,934,595,474.48
  5. Step 5: Solve for x
    x = 19,934,595,474.48/162,490.38
  6. Step 6: Final answer
    x = 122,681.70

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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.