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Finding the Fourth Proportional to 218,366.20, 301,270.62 and 132,351.76

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Solution

The fourth proportional to 218,366.20, 301,270.62 and 132,351.76 is: 182,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,366.20 : 301,270.62 = 132,351.76 : x
  2. Step 2: Convert to fraction form
    218,366.20/301,270.62 = 132,351.76/x
  3. Step 3: Cross multiply
    218,366.20x = 301,270.62 × 132,351.76
  4. Step 4: Simplify right side
    218,366.20x = 39,873,696,793.29
  5. Step 5: Solve for x
    x = 39,873,696,793.29/218,366.20
  6. Step 6: Final answer
    x = 182,600.13

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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.