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Finding the Fourth Proportional to 218,170.69, 327,292.94 and 111,600.91

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Solution

The fourth proportional to 218,170.69, 327,292.94 and 111,600.91 is: 167,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,170.69 : 327,292.94 = 111,600.91 : x
  2. Step 2: Convert to fraction form
    218,170.69/327,292.94 = 111,600.91/x
  3. Step 3: Cross multiply
    218,170.69x = 327,292.94 × 111,600.91
  4. Step 4: Simplify right side
    218,170.69x = 36,526,189,940.58
  5. Step 5: Solve for x
    x = 36,526,189,940.58/218,170.69
  6. Step 6: Final answer
    x = 167,420.24

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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.