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Finding the Fourth Proportional to 451,134.62, 676,702.88 and 181,387.10

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Solution

The fourth proportional to 451,134.62, 676,702.88 and 181,387.10 is: 272,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,134.62 : 676,702.88 = 181,387.10 : x
  2. Step 2: Convert to fraction form
    451,134.62/676,702.88 = 181,387.10/x
  3. Step 3: Cross multiply
    451,134.62x = 676,702.88 × 181,387.10
  4. Step 4: Simplify right side
    451,134.62x = 122,745,170,034.80
  5. Step 5: Solve for x
    x = 122,745,170,034.80/451,134.62
  6. Step 6: Final answer
    x = 272,081.03

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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.