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Finding the Fourth Proportional to 247,694.56, 341,818.56 and 134,517.28

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Solution

The fourth proportional to 247,694.56, 341,818.56 and 134,517.28 is: 185,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,694.56 : 341,818.56 = 134,517.28 : x
  2. Step 2: Convert to fraction form
    247,694.56/341,818.56 = 134,517.28/x
  3. Step 3: Cross multiply
    247,694.56x = 341,818.56 × 134,517.28
  4. Step 4: Simplify right side
    247,694.56x = 45,980,502,944.72
  5. Step 5: Solve for x
    x = 45,980,502,944.72/247,694.56
  6. Step 6: Final answer
    x = 185,633.88

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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.