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Finding the Fourth Proportional to 178,266.30, 267,334.65 and 89,490.30

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Solution

The fourth proportional to 178,266.30, 267,334.65 and 89,490.30 is: 134,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,266.30 : 267,334.65 = 89,490.30 : x
  2. Step 2: Convert to fraction form
    178,266.30/267,334.65 = 89,490.30/x
  3. Step 3: Cross multiply
    178,266.30x = 267,334.65 × 89,490.30
  4. Step 4: Simplify right side
    178,266.30x = 23,923,858,028.90
  5. Step 5: Solve for x
    x = 23,923,858,028.90/178,266.30
  6. Step 6: Final answer
    x = 134,202.92

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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.