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Finding the Fourth Proportional to 68,306.39, 102,462.72 and 25,622.02

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Solution

The fourth proportional to 68,306.39, 102,462.72 and 25,622.02 is: 38,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,306.39 : 102,462.72 = 25,622.02 : x
  2. Step 2: Convert to fraction form
    68,306.39/102,462.72 = 25,622.02/x
  3. Step 3: Cross multiply
    68,306.39x = 102,462.72 × 25,622.02
  4. Step 4: Simplify right side
    68,306.39x = 2,625,301,220.67
  5. Step 5: Solve for x
    x = 2,625,301,220.67/68,306.39
  6. Step 6: Final answer
    x = 38,434.20

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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.