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Finding the Fourth Proportional to 68,673.17, 103,017.92 and 24,290.84

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Solution

The fourth proportional to 68,673.17, 103,017.92 and 24,290.84 is: 36,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,673.17 : 103,017.92 = 24,290.84 : x
  2. Step 2: Convert to fraction form
    68,673.17/103,017.92 = 24,290.84/x
  3. Step 3: Cross multiply
    68,673.17x = 103,017.92 × 24,290.84
  4. Step 4: Simplify right side
    68,673.17x = 2,502,391,175.31
  5. Step 5: Solve for x
    x = 2,502,391,175.31/68,673.17
  6. Step 6: Final answer
    x = 36,439.14

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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.