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Finding the Fourth Proportional to 342,708.52, 514,062.78 and 93,427.24

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Solution

The fourth proportional to 342,708.52, 514,062.78 and 93,427.24 is: 140,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,708.52 : 514,062.78 = 93,427.24 : x
  2. Step 2: Convert to fraction form
    342,708.52/514,062.78 = 93,427.24/x
  3. Step 3: Cross multiply
    342,708.52x = 514,062.78 × 93,427.24
  4. Step 4: Simplify right side
    342,708.52x = 48,027,466,722.13
  5. Step 5: Solve for x
    x = 48,027,466,722.13/342,708.52
  6. Step 6: Final answer
    x = 140,140.86

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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.