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Finding the Fourth Proportional to 265,910.25, 398,868.84 and 88,417.26

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Solution

The fourth proportional to 265,910.25, 398,868.84 and 88,417.26 is: 132,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,910.25 : 398,868.84 = 88,417.26 : x
  2. Step 2: Convert to fraction form
    265,910.25/398,868.84 = 88,417.26/x
  3. Step 3: Cross multiply
    265,910.25x = 398,868.84 × 88,417.26
  4. Step 4: Simplify right side
    265,910.25x = 35,266,889,932.18
  5. Step 5: Solve for x
    x = 35,266,889,932.18/265,910.25
  6. Step 6: Final answer
    x = 132,627.04

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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.