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Finding the Fourth Proportional to 68,385.39, 102,623.90 and 24,012.29

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Solution

The fourth proportional to 68,385.39, 102,623.90 and 24,012.29 is: 36,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.39 : 102,623.90 = 24,012.29 : x
  2. Step 2: Convert to fraction form
    68,385.39/102,623.90 = 24,012.29/x
  3. Step 3: Cross multiply
    68,385.39x = 102,623.90 × 24,012.29
  4. Step 4: Simplify right side
    68,385.39x = 2,464,234,214.55
  5. Step 5: Solve for x
    x = 2,464,234,214.55/68,385.39
  6. Step 6: Final answer
    x = 36,034.51

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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.