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Finding the Fourth Proportional to 96,854.88, 145,290.68 and 26,734.20

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Solution

The fourth proportional to 96,854.88, 145,290.68 and 26,734.20 is: 40,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,854.88 : 145,290.68 = 26,734.20 : x
  2. Step 2: Convert to fraction form
    96,854.88/145,290.68 = 26,734.20/x
  3. Step 3: Cross multiply
    96,854.88x = 145,290.68 × 26,734.20
  4. Step 4: Simplify right side
    96,854.88x = 3,884,230,097.26
  5. Step 5: Solve for x
    x = 3,884,230,097.26/96,854.88
  6. Step 6: Final answer
    x = 40,103.61

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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.