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Finding the Fourth Proportional to 178,805.52, 267,958.85 and 134,380.26

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Solution

The fourth proportional to 178,805.52, 267,958.85 and 134,380.26 is: 201,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,805.52 : 267,958.85 = 134,380.26 : x
  2. Step 2: Convert to fraction form
    178,805.52/267,958.85 = 134,380.26/x
  3. Step 3: Cross multiply
    178,805.52x = 267,958.85 × 134,380.26
  4. Step 4: Simplify right side
    178,805.52x = 36,008,379,260.40
  5. Step 5: Solve for x
    x = 36,008,379,260.40/178,805.52
  6. Step 6: Final answer
    x = 201,382.93

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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.