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Finding the Fourth Proportional to 248,344.20, 372,380.22 and 98,432.64

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Solution

The fourth proportional to 248,344.20, 372,380.22 and 98,432.64 is: 147,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,344.20 : 372,380.22 = 98,432.64 : x
  2. Step 2: Convert to fraction form
    248,344.20/372,380.22 = 98,432.64/x
  3. Step 3: Cross multiply
    248,344.20x = 372,380.22 × 98,432.64
  4. Step 4: Simplify right side
    248,344.20x = 36,654,368,138.38
  5. Step 5: Solve for x
    x = 36,654,368,138.38/248,344.20
  6. Step 6: Final answer
    x = 147,595.02

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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.