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Finding the Fourth Proportional to 247,555, 341,626.50 and 134,377.72

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Solution

The fourth proportional to 247,555, 341,626.50 and 134,377.72 is: 185,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,555 : 341,626.50 = 134,377.72 : x
  2. Step 2: Convert to fraction form
    247,555/341,626.50 = 134,377.72/x
  3. Step 3: Cross multiply
    247,555x = 341,626.50 × 134,377.72
  4. Step 4: Simplify right side
    247,555x = 45,906,990,161.58
  5. Step 5: Solve for x
    x = 45,906,990,161.58/247,555
  6. Step 6: Final answer
    x = 185,441.58

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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.