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Finding the Fourth Proportional to 68,805.28, 103,209.14 and 24,401.08

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Solution

The fourth proportional to 68,805.28, 103,209.14 and 24,401.08 is: 36,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,805.28 : 103,209.14 = 24,401.08 : x
  2. Step 2: Convert to fraction form
    68,805.28/103,209.14 = 24,401.08/x
  3. Step 3: Cross multiply
    68,805.28x = 103,209.14 × 24,401.08
  4. Step 4: Simplify right side
    68,805.28x = 2,518,414,359.87
  5. Step 5: Solve for x
    x = 2,518,414,359.87/68,805.28
  6. Step 6: Final answer
    x = 36,602.05

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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.