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Finding the Fourth Proportional to 178,022.20, 267,206.10 and 89,375.80

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Solution

The fourth proportional to 178,022.20, 267,206.10 and 89,375.80 is: 134,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,022.20 : 267,206.10 = 89,375.80 : x
  2. Step 2: Convert to fraction form
    178,022.20/267,206.10 = 89,375.80/x
  3. Step 3: Cross multiply
    178,022.20x = 267,206.10 × 89,375.80
  4. Step 4: Simplify right side
    178,022.20x = 23,881,758,952.38
  5. Step 5: Solve for x
    x = 23,881,758,952.38/178,022.20
  6. Step 6: Final answer
    x = 134,150.45

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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.