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Finding the Fourth Proportional to 119,062.29, 178,469.24 and 40,149.39

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Solution

The fourth proportional to 119,062.29, 178,469.24 and 40,149.39 is: 60,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,062.29 : 178,469.24 = 40,149.39 : x
  2. Step 2: Convert to fraction form
    119,062.29/178,469.24 = 40,149.39/x
  3. Step 3: Cross multiply
    119,062.29x = 178,469.24 × 40,149.39
  4. Step 4: Simplify right side
    119,062.29x = 7,165,430,919.02
  5. Step 5: Solve for x
    x = 7,165,430,919.02/119,062.29
  6. Step 6: Final answer
    x = 60,182.20

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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.