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Finding the Fourth Proportional to 247,818.60, 341,990.52 and 140,408.52

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Solution

The fourth proportional to 247,818.60, 341,990.52 and 140,408.52 is: 193,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,818.60 : 341,990.52 = 140,408.52 : x
  2. Step 2: Convert to fraction form
    247,818.60/341,990.52 = 140,408.52/x
  3. Step 3: Cross multiply
    247,818.60x = 341,990.52 × 140,408.52
  4. Step 4: Simplify right side
    247,818.60x = 48,018,382,767.23
  5. Step 5: Solve for x
    x = 48,018,382,767.23/247,818.60
  6. Step 6: Final answer
    x = 193,764.24

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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.