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Finding the Fourth Proportional to 124,171.92, 186,264.97 and 35,418.60

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Solution

The fourth proportional to 124,171.92, 186,264.97 and 35,418.60 is: 53,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,171.92 : 186,264.97 = 35,418.60 : x
  2. Step 2: Convert to fraction form
    124,171.92/186,264.97 = 35,418.60/x
  3. Step 3: Cross multiply
    124,171.92x = 186,264.97 × 35,418.60
  4. Step 4: Simplify right side
    124,171.92x = 6,597,244,377.90
  5. Step 5: Solve for x
    x = 6,597,244,377.90/124,171.92
  6. Step 6: Final answer
    x = 53,129.92

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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.