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Finding the Fourth Proportional to 224,601.29, 309,941.64 and 122,624.87

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Solution

The fourth proportional to 224,601.29, 309,941.64 and 122,624.87 is: 169,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,601.29 : 309,941.64 = 122,624.87 : x
  2. Step 2: Convert to fraction form
    224,601.29/309,941.64 = 122,624.87/x
  3. Step 3: Cross multiply
    224,601.29x = 309,941.64 × 122,624.87
  4. Step 4: Simplify right side
    224,601.29x = 38,006,553,506.30
  5. Step 5: Solve for x
    x = 38,006,553,506.30/224,601.29
  6. Step 6: Final answer
    x = 169,217.88

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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.