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Finding the Fourth Proportional to 178,375.13, 267,562.16 and 45,255.14

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Solution

The fourth proportional to 178,375.13, 267,562.16 and 45,255.14 is: 67,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,375.13 : 267,562.16 = 45,255.14 : x
  2. Step 2: Convert to fraction form
    178,375.13/267,562.16 = 45,255.14/x
  3. Step 3: Cross multiply
    178,375.13x = 267,562.16 × 45,255.14
  4. Step 4: Simplify right side
    178,375.13x = 12,108,562,783.23
  5. Step 5: Solve for x
    x = 12,108,562,783.23/178,375.13
  6. Step 6: Final answer
    x = 67,882.57

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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.