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Finding the Fourth Proportional to 265,773.52, 398,727.60 and 88,281.44

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Solution

The fourth proportional to 265,773.52, 398,727.60 and 88,281.44 is: 132,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,773.52 : 398,727.60 = 88,281.44 : x
  2. Step 2: Convert to fraction form
    265,773.52/398,727.60 = 88,281.44/x
  3. Step 3: Cross multiply
    265,773.52x = 398,727.60 × 88,281.44
  4. Step 4: Simplify right side
    265,773.52x = 35,200,246,695.74
  5. Step 5: Solve for x
    x = 35,200,246,695.74/265,773.52
  6. Step 6: Final answer
    x = 132,444.52

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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.