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Finding the Fourth Proportional to 68,677.21, 103,023.96 and 24,294.88

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Solution

The fourth proportional to 68,677.21, 103,023.96 and 24,294.88 is: 36,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677.21 : 103,023.96 = 24,294.88 : x
  2. Step 2: Convert to fraction form
    68,677.21/103,023.96 = 24,294.88/x
  3. Step 3: Cross multiply
    68,677.21x = 103,023.96 × 24,294.88
  4. Step 4: Simplify right side
    68,677.21x = 2,502,954,745.32
  5. Step 5: Solve for x
    x = 2,502,954,745.32/68,677.21
  6. Step 6: Final answer
    x = 36,445.20

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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.