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Finding the Fourth Proportional to 342,766.32, 514,296.32 and 132,551.88

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Solution

The fourth proportional to 342,766.32, 514,296.32 and 132,551.88 is: 198,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,766.32 : 514,296.32 = 132,551.88 : x
  2. Step 2: Convert to fraction form
    342,766.32/514,296.32 = 132,551.88/x
  3. Step 3: Cross multiply
    342,766.32x = 514,296.32 × 132,551.88
  4. Step 4: Simplify right side
    342,766.32x = 68,170,944,093.08
  5. Step 5: Solve for x
    x = 68,170,944,093.08/342,766.32
  6. Step 6: Final answer
    x = 198,884.60

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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.