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Finding the Fourth Proportional to 247,793.60, 341,938.32 and 134,613.92

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Solution

The fourth proportional to 247,793.60, 341,938.32 and 134,613.92 is: 185,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,793.60 : 341,938.32 = 134,613.92 : x
  2. Step 2: Convert to fraction form
    247,793.60/341,938.32 = 134,613.92/x
  3. Step 3: Cross multiply
    247,793.60x = 341,938.32 × 134,613.92
  4. Step 4: Simplify right side
    247,793.60x = 46,029,657,653.41
  5. Step 5: Solve for x
    x = 46,029,657,653.41/247,793.60
  6. Step 6: Final answer
    x = 185,758.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.