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Finding the Fourth Proportional to 265,798.26, 398,764.62 and 88,306.20

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Solution

The fourth proportional to 265,798.26, 398,764.62 and 88,306.20 is: 132,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,798.26 : 398,764.62 = 88,306.20 : x
  2. Step 2: Convert to fraction form
    265,798.26/398,764.62 = 88,306.20/x
  3. Step 3: Cross multiply
    265,798.26x = 398,764.62 × 88,306.20
  4. Step 4: Simplify right side
    265,798.26x = 35,213,388,286.64
  5. Step 5: Solve for x
    x = 35,213,388,286.64/265,798.26
  6. Step 6: Final answer
    x = 132,481.64

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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.