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Finding the Fourth Proportional to 247,657.41, 341,764.20 and 134,480.97

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Solution

The fourth proportional to 247,657.41, 341,764.20 and 134,480.97 is: 185,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,657.41 : 341,764.20 = 134,480.97 : x
  2. Step 2: Convert to fraction form
    247,657.41/341,764.20 = 134,480.97/x
  3. Step 3: Cross multiply
    247,657.41x = 341,764.20 × 134,480.97
  4. Step 4: Simplify right side
    247,657.41x = 45,960,781,127.27
  5. Step 5: Solve for x
    x = 45,960,781,127.27/247,657.41
  6. Step 6: Final answer
    x = 185,582.10

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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.