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Finding the Fourth Proportional to 68,392.90, 102,613.04 and 24,025.96

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Solution

The fourth proportional to 68,392.90, 102,613.04 and 24,025.96 is: 36,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,392.90 : 102,613.04 = 24,025.96 : x
  2. Step 2: Convert to fraction form
    68,392.90/102,613.04 = 24,025.96/x
  3. Step 3: Cross multiply
    68,392.90x = 102,613.04 × 24,025.96
  4. Step 4: Simplify right side
    68,392.90x = 2,465,376,794.52
  5. Step 5: Solve for x
    x = 2,465,376,794.52/68,392.90
  6. Step 6: Final answer
    x = 36,047.26

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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.