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Finding the Fourth Proportional to 247,679.66, 341,794.92 and 134,503.22

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Solution

The fourth proportional to 247,679.66, 341,794.92 and 134,503.22 is: 185,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,679.66 : 341,794.92 = 134,503.22 : x
  2. Step 2: Convert to fraction form
    247,679.66/341,794.92 = 134,503.22/x
  3. Step 3: Cross multiply
    247,679.66x = 341,794.92 × 134,503.22
  4. Step 4: Simplify right side
    247,679.66x = 45,972,517,319.64
  5. Step 5: Solve for x
    x = 45,972,517,319.64/247,679.66
  6. Step 6: Final answer
    x = 185,612.81

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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.