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Finding the Fourth Proportional to 247,512.80, 341,565.60 and 134,335.52

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Solution

The fourth proportional to 247,512.80, 341,565.60 and 134,335.52 is: 185,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,512.80 : 341,565.60 = 134,335.52 : x
  2. Step 2: Convert to fraction form
    247,512.80/341,565.60 = 134,335.52/x
  3. Step 3: Cross multiply
    247,512.80x = 341,565.60 × 134,335.52
  4. Step 4: Simplify right side
    247,512.80x = 45,884,392,490.11
  5. Step 5: Solve for x
    x = 45,884,392,490.11/247,512.80
  6. Step 6: Final answer
    x = 185,381.90

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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.