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Finding the Fourth Proportional to 247,471.87, 341,511.17 and 134,294.62

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Solution

The fourth proportional to 247,471.87, 341,511.17 and 134,294.62 is: 185,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,471.87 : 341,511.17 = 134,294.62 : x
  2. Step 2: Convert to fraction form
    247,471.87/341,511.17 = 134,294.62/x
  3. Step 3: Cross multiply
    247,471.87x = 341,511.17 × 134,294.62
  4. Step 4: Simplify right side
    247,471.87x = 45,863,112,800.91
  5. Step 5: Solve for x
    x = 45,863,112,800.91/247,471.87
  6. Step 6: Final answer
    x = 185,326.57

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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.