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Finding the Fourth Proportional to 373,141.12, 559,711.48 and 136,354.60

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Solution

The fourth proportional to 373,141.12, 559,711.48 and 136,354.60 is: 204,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,141.12 : 559,711.48 = 136,354.60 : x
  2. Step 2: Convert to fraction form
    373,141.12/559,711.48 = 136,354.60/x
  3. Step 3: Cross multiply
    373,141.12x = 559,711.48 × 136,354.60
  4. Step 4: Simplify right side
    373,141.12x = 76,319,234,970.81
  5. Step 5: Solve for x
    x = 76,319,234,970.81/373,141.12
  6. Step 6: Final answer
    x = 204,531.83

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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.