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Finding the Fourth Proportional to 224,591.80, 309,862.29 and 148,148.86

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Solution

The fourth proportional to 224,591.80, 309,862.29 and 148,148.86 is: 204,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,591.80 : 309,862.29 = 148,148.86 : x
  2. Step 2: Convert to fraction form
    224,591.80/309,862.29 = 148,148.86/x
  3. Step 3: Cross multiply
    224,591.80x = 309,862.29 × 148,148.86
  4. Step 4: Simplify right side
    224,591.80x = 45,905,745,020.49
  5. Step 5: Solve for x
    x = 45,905,745,020.49/224,591.80
  6. Step 6: Final answer
    x = 204,396.35

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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.