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Finding the Fourth Proportional to 218,195.29, 327,289.64 and 98,167.48

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Solution

The fourth proportional to 218,195.29, 327,289.64 and 98,167.48 is: 147,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,195.29 : 327,289.64 = 98,167.48 : x
  2. Step 2: Convert to fraction form
    218,195.29/327,289.64 = 98,167.48/x
  3. Step 3: Cross multiply
    218,195.29x = 327,289.64 × 98,167.48
  4. Step 4: Simplify right side
    218,195.29x = 32,129,197,061.62
  5. Step 5: Solve for x
    x = 32,129,197,061.62/218,195.29
  6. Step 6: Final answer
    x = 147,249.73

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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.