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Finding the Fourth Proportional to 232,792.60, 321,229.86 and 130,801.86

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Solution

The fourth proportional to 232,792.60, 321,229.86 and 130,801.86 is: 180,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,792.60 : 321,229.86 = 130,801.86 : x
  2. Step 2: Convert to fraction form
    232,792.60/321,229.86 = 130,801.86/x
  3. Step 3: Cross multiply
    232,792.60x = 321,229.86 × 130,801.86
  4. Step 4: Simplify right side
    232,792.60x = 42,017,463,175.54
  5. Step 5: Solve for x
    x = 42,017,463,175.54/232,792.60
  6. Step 6: Final answer
    x = 180,493.12

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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.