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Finding the Fourth Proportional to 416,663.08, 625,072.38 and 136,377.16

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Solution

The fourth proportional to 416,663.08, 625,072.38 and 136,377.16 is: 204,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,663.08 : 625,072.38 = 136,377.16 : x
  2. Step 2: Convert to fraction form
    416,663.08/625,072.38 = 136,377.16/x
  3. Step 3: Cross multiply
    416,663.08x = 625,072.38 × 136,377.16
  4. Step 4: Simplify right side
    416,663.08x = 85,245,595,978.84
  5. Step 5: Solve for x
    x = 85,245,595,978.84/416,663.08
  6. Step 6: Final answer
    x = 204,591.19

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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.