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Finding the Fourth Proportional to 224,818.40, 337,173.60 and 129,843.20

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Solution

The fourth proportional to 224,818.40, 337,173.60 and 129,843.20 is: 194,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,818.40 : 337,173.60 = 129,843.20 : x
  2. Step 2: Convert to fraction form
    224,818.40/337,173.60 = 129,843.20/x
  3. Step 3: Cross multiply
    224,818.40x = 337,173.60 × 129,843.20
  4. Step 4: Simplify right side
    224,818.40x = 43,779,699,179.52
  5. Step 5: Solve for x
    x = 43,779,699,179.52/224,818.40
  6. Step 6: Final answer
    x = 194,733.61

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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.