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Finding the Fourth Proportional to 67,248.88, 100,826.17 and 29,788.61

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Solution

The fourth proportional to 67,248.88, 100,826.17 and 29,788.61 is: 44,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.88 : 100,826.17 = 29,788.61 : x
  2. Step 2: Convert to fraction form
    67,248.88/100,826.17 = 29,788.61/x
  3. Step 3: Cross multiply
    67,248.88x = 100,826.17 × 29,788.61
  4. Step 4: Simplify right side
    67,248.88x = 3,003,471,444.47
  5. Step 5: Solve for x
    x = 3,003,471,444.47/67,248.88
  6. Step 6: Final answer
    x = 44,662.03

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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.