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Finding the Fourth Proportional to 68,859.46, 103,255.08 and 24,479.56

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Solution

The fourth proportional to 68,859.46, 103,255.08 and 24,479.56 is: 36,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,859.46 : 103,255.08 = 24,479.56 : x
  2. Step 2: Convert to fraction form
    68,859.46/103,255.08 = 24,479.56/x
  3. Step 3: Cross multiply
    68,859.46x = 103,255.08 × 24,479.56
  4. Step 4: Simplify right side
    68,859.46x = 2,527,638,926.16
  5. Step 5: Solve for x
    x = 2,527,638,926.16/68,859.46
  6. Step 6: Final answer
    x = 36,707.21

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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.