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Finding the Fourth Proportional to 247,730.52, 341,869.92 and 134,553.30

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Solution

The fourth proportional to 247,730.52, 341,869.92 and 134,553.30 is: 185,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,730.52 : 341,869.92 = 134,553.30 : x
  2. Step 2: Convert to fraction form
    247,730.52/341,869.92 = 134,553.30/x
  3. Step 3: Cross multiply
    247,730.52x = 341,869.92 × 134,553.30
  4. Step 4: Simplify right side
    247,730.52x = 45,999,725,906.74
  5. Step 5: Solve for x
    x = 45,999,725,906.74/247,730.52
  6. Step 6: Final answer
    x = 185,684.53

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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.