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Finding the Fourth Proportional to 247,167.60, 341,217.72 and 156,617.52

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Solution

The fourth proportional to 247,167.60, 341,217.72 and 156,617.52 is: 216,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,167.60 : 341,217.72 = 156,617.52 : x
  2. Step 2: Convert to fraction form
    247,167.60/341,217.72 = 156,617.52/x
  3. Step 3: Cross multiply
    247,167.60x = 341,217.72 × 156,617.52
  4. Step 4: Simplify right side
    247,167.60x = 53,440,673,086.45
  5. Step 5: Solve for x
    x = 53,440,673,086.45/247,167.60
  6. Step 6: Final answer
    x = 216,212.29

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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.