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Finding the Fourth Proportional to 435,610.17, 653,546.48 and 136,078.65

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Solution

The fourth proportional to 435,610.17, 653,546.48 and 136,078.65 is: 204,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,610.17 : 653,546.48 = 136,078.65 : x
  2. Step 2: Convert to fraction form
    435,610.17/653,546.48 = 136,078.65/x
  3. Step 3: Cross multiply
    435,610.17x = 653,546.48 × 136,078.65
  4. Step 4: Simplify right side
    435,610.17x = 88,933,722,030.26
  5. Step 5: Solve for x
    x = 88,933,722,030.26/435,610.17
  6. Step 6: Final answer
    x = 204,158.97

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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.