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Finding the Fourth Proportional to 124,062.60, 185,921.10 and 92,224.20

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Solution

The fourth proportional to 124,062.60, 185,921.10 and 92,224.20 is: 138,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,062.60 : 185,921.10 = 92,224.20 : x
  2. Step 2: Convert to fraction form
    124,062.60/185,921.10 = 92,224.20/x
  3. Step 3: Cross multiply
    124,062.60x = 185,921.10 × 92,224.20
  4. Step 4: Simplify right side
    124,062.60x = 17,146,424,710.62
  5. Step 5: Solve for x
    x = 17,146,424,710.62/124,062.60
  6. Step 6: Final answer
    x = 138,207.85

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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.