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Finding the Fourth Proportional to 372,872.01, 559,532.88 and 132,967.68

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Solution

The fourth proportional to 372,872.01, 559,532.88 and 132,967.68 is: 199,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,872.01 : 559,532.88 = 132,967.68 : x
  2. Step 2: Convert to fraction form
    372,872.01/559,532.88 = 132,967.68/x
  3. Step 3: Cross multiply
    372,872.01x = 559,532.88 × 132,967.68
  4. Step 4: Simplify right side
    372,872.01x = 74,399,788,937.32
  5. Step 5: Solve for x
    x = 74,399,788,937.32/372,872.01
  6. Step 6: Final answer
    x = 199,531.71

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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.