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Finding the Fourth Proportional to 218,229.62, 301,057.95 and 157,704.39

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Solution

The fourth proportional to 218,229.62, 301,057.95 and 157,704.39 is: 217,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,229.62 : 301,057.95 = 157,704.39 : x
  2. Step 2: Convert to fraction form
    218,229.62/301,057.95 = 157,704.39/x
  3. Step 3: Cross multiply
    218,229.62x = 301,057.95 × 157,704.39
  4. Step 4: Simplify right side
    218,229.62x = 47,478,160,359.40
  5. Step 5: Solve for x
    x = 47,478,160,359.40/218,229.62
  6. Step 6: Final answer
    x = 217,560.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.