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Finding the Fourth Proportional to 265,768.38, 398,565.90 and 88,227.72

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Solution

The fourth proportional to 265,768.38, 398,565.90 and 88,227.72 is: 132,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,768.38 : 398,565.90 = 88,227.72 : x
  2. Step 2: Convert to fraction form
    265,768.38/398,565.90 = 88,227.72/x
  3. Step 3: Cross multiply
    265,768.38x = 398,565.90 × 88,227.72
  4. Step 4: Simplify right side
    265,768.38x = 35,164,560,626.75
  5. Step 5: Solve for x
    x = 35,164,560,626.75/265,768.38
  6. Step 6: Final answer
    x = 132,312.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.