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Finding the Fourth Proportional to 247,650.88, 341,748.84 and 140,199.52

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Solution

The fourth proportional to 247,650.88, 341,748.84 and 140,199.52 is: 193,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,650.88 : 341,748.84 = 140,199.52 : x
  2. Step 2: Convert to fraction form
    247,650.88/341,748.84 = 140,199.52/x
  3. Step 3: Cross multiply
    247,650.88x = 341,748.84 × 140,199.52
  4. Step 4: Simplify right side
    247,650.88x = 47,913,023,328.56
  5. Step 5: Solve for x
    x = 47,913,023,328.56/247,650.88
  6. Step 6: Final answer
    x = 193,470.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.