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Finding the Fourth Proportional to 265,655.08, 398,481.90 and 88,175.44

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Solution

The fourth proportional to 265,655.08, 398,481.90 and 88,175.44 is: 132,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,655.08 : 398,481.90 = 88,175.44 : x
  2. Step 2: Convert to fraction form
    265,655.08/398,481.90 = 88,175.44/x
  3. Step 3: Cross multiply
    265,655.08x = 398,481.90 × 88,175.44
  4. Step 4: Simplify right side
    265,655.08x = 35,136,316,864.54
  5. Step 5: Solve for x
    x = 35,136,316,864.54/265,655.08
  6. Step 6: Final answer
    x = 132,262.92

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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.