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Finding the Fourth Proportional to 68,392.88, 102,635.14 and 24,019.80

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Solution

The fourth proportional to 68,392.88, 102,635.14 and 24,019.80 is: 36,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,392.88 : 102,635.14 = 24,019.80 : x
  2. Step 2: Convert to fraction form
    68,392.88/102,635.14 = 24,019.80/x
  3. Step 3: Cross multiply
    68,392.88x = 102,635.14 × 24,019.80
  4. Step 4: Simplify right side
    68,392.88x = 2,465,275,535.77
  5. Step 5: Solve for x
    x = 2,465,275,535.77/68,392.88
  6. Step 6: Final answer
    x = 36,045.79

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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.