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Finding the Fourth Proportional to 246,074.88, 368,856.34 and 178,443.12

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Solution

The fourth proportional to 246,074.88, 368,856.34 and 178,443.12 is: 267,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,074.88 : 368,856.34 = 178,443.12 : x
  2. Step 2: Convert to fraction form
    246,074.88/368,856.34 = 178,443.12/x
  3. Step 3: Cross multiply
    246,074.88x = 368,856.34 × 178,443.12
  4. Step 4: Simplify right side
    246,074.88x = 65,819,876,141.38
  5. Step 5: Solve for x
    x = 65,819,876,141.38/246,074.88
  6. Step 6: Final answer
    x = 267,479.05

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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.