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Finding the Fourth Proportional to 332,351.60, 498,469.80 and 121,881.20

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Solution

The fourth proportional to 332,351.60, 498,469.80 and 121,881.20 is: 182,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,351.60 : 498,469.80 = 121,881.20 : x
  2. Step 2: Convert to fraction form
    332,351.60/498,469.80 = 121,881.20/x
  3. Step 3: Cross multiply
    332,351.60x = 498,469.80 × 121,881.20
  4. Step 4: Simplify right side
    332,351.60x = 60,754,097,387.76
  5. Step 5: Solve for x
    x = 60,754,097,387.76/332,351.60
  6. Step 6: Final answer
    x = 182,800.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.