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Finding the Fourth Proportional to 247,649.64, 341,757.90 and 134,472.42

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Solution

The fourth proportional to 247,649.64, 341,757.90 and 134,472.42 is: 185,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,649.64 : 341,757.90 = 134,472.42 : x
  2. Step 2: Convert to fraction form
    247,649.64/341,757.90 = 134,472.42/x
  3. Step 3: Cross multiply
    247,649.64x = 341,757.90 × 134,472.42
  4. Step 4: Simplify right side
    247,649.64x = 45,957,011,867.12
  5. Step 5: Solve for x
    x = 45,957,011,867.12/247,649.64
  6. Step 6: Final answer
    x = 185,572.70

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1.5x scale

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.