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Finding the Fourth Proportional to 218,159.40, 327,239.10 and 113,010.60

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Solution

The fourth proportional to 218,159.40, 327,239.10 and 113,010.60 is: 169,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,159.40 : 327,239.10 = 113,010.60 : x
  2. Step 2: Convert to fraction form
    218,159.40/327,239.10 = 113,010.60/x
  3. Step 3: Cross multiply
    218,159.40x = 327,239.10 × 113,010.60
  4. Step 4: Simplify right side
    218,159.40x = 36,981,487,034.46
  5. Step 5: Solve for x
    x = 36,981,487,034.46/218,159.40
  6. Step 6: Final answer
    x = 169,515.90

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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.