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Finding the Fourth Proportional to 267,009.20, 400,071.52 and 187,736.12

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Solution

The fourth proportional to 267,009.20, 400,071.52 and 187,736.12 is: 281,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,009.20 : 400,071.52 = 187,736.12 : x
  2. Step 2: Convert to fraction form
    267,009.20/400,071.52 = 187,736.12/x
  3. Step 3: Cross multiply
    267,009.20x = 400,071.52 × 187,736.12
  4. Step 4: Simplify right side
    267,009.20x = 75,107,874,887.30
  5. Step 5: Solve for x
    x = 75,107,874,887.30/267,009.20
  6. Step 6: Final answer
    x = 281,293.21

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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.