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Finding the Fourth Proportional to 218,155.61, 327,240.57 and 60,370.85

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Solution

The fourth proportional to 218,155.61, 327,240.57 and 60,370.85 is: 90,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,155.61 : 327,240.57 = 60,370.85 : x
  2. Step 2: Convert to fraction form
    218,155.61/327,240.57 = 60,370.85/x
  3. Step 3: Cross multiply
    218,155.61x = 327,240.57 × 60,370.85
  4. Step 4: Simplify right side
    218,155.61x = 19,755,789,729.18
  5. Step 5: Solve for x
    x = 19,755,789,729.18/218,155.61
  6. Step 6: Final answer
    x = 90,558.25

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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.