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Finding the Fourth Proportional to 68,801.91, 103,213.13 and 24,424.95

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Solution

The fourth proportional to 68,801.91, 103,213.13 and 24,424.95 is: 36,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801.91 : 103,213.13 = 24,424.95 : x
  2. Step 2: Convert to fraction form
    68,801.91/103,213.13 = 24,424.95/x
  3. Step 3: Cross multiply
    68,801.91x = 103,213.13 × 24,424.95
  4. Step 4: Simplify right side
    68,801.91x = 2,520,975,030.42
  5. Step 5: Solve for x
    x = 2,520,975,030.42/68,801.91
  6. Step 6: Final answer
    x = 36,641.06

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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.