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Finding the Fourth Proportional to 247,367.12, 341,205.24 and 156,628.52

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Solution

The fourth proportional to 247,367.12, 341,205.24 and 156,628.52 is: 216,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,367.12 : 341,205.24 = 156,628.52 : x
  2. Step 2: Convert to fraction form
    247,367.12/341,205.24 = 156,628.52/x
  3. Step 3: Cross multiply
    247,367.12x = 341,205.24 × 156,628.52
  4. Step 4: Simplify right side
    247,367.12x = 53,442,471,757.44
  5. Step 5: Solve for x
    x = 53,442,471,757.44/247,367.12
  6. Step 6: Final answer
    x = 216,045.17

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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.