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Finding the Fourth Proportional to 178,591.80, 267,701.40 and 60,222.48

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Solution

The fourth proportional to 178,591.80, 267,701.40 and 60,222.48 is: 90,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,591.80 : 267,701.40 = 60,222.48 : x
  2. Step 2: Convert to fraction form
    178,591.80/267,701.40 = 60,222.48/x
  3. Step 3: Cross multiply
    178,591.80x = 267,701.40 × 60,222.48
  4. Step 4: Simplify right side
    178,591.80x = 16,121,642,207.47
  5. Step 5: Solve for x
    x = 16,121,642,207.47/178,591.80
  6. Step 6: Final answer
    x = 90,270.90

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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.