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Finding the Fourth Proportional to 218,397.74, 327,598.43 and 60,638.49

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Solution

The fourth proportional to 218,397.74, 327,598.43 and 60,638.49 is: 90,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,397.74 : 327,598.43 = 60,638.49 : x
  2. Step 2: Convert to fraction form
    218,397.74/327,598.43 = 60,638.49/x
  3. Step 3: Cross multiply
    218,397.74x = 327,598.43 × 60,638.49
  4. Step 4: Simplify right side
    218,397.74x = 19,865,073,818.38
  5. Step 5: Solve for x
    x = 19,865,073,818.38/218,397.74
  6. Step 6: Final answer
    x = 90,958.24

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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.