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Finding the Fourth Proportional to 218,301.25, 327,062.31 and 118,397.73

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Solution

The fourth proportional to 218,301.25, 327,062.31 and 118,397.73 is: 177,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,301.25 : 327,062.31 = 118,397.73 : x
  2. Step 2: Convert to fraction form
    218,301.25/327,062.31 = 118,397.73/x
  3. Step 3: Cross multiply
    218,301.25x = 327,062.31 × 118,397.73
  4. Step 4: Simplify right side
    218,301.25x = 38,723,433,095.46
  5. Step 5: Solve for x
    x = 38,723,433,095.46/218,301.25
  6. Step 6: Final answer
    x = 177,385.30

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1.5x scale

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.