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Finding the Fourth Proportional to 68,608.76, 102,913.96 and 24,204.36

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Solution

The fourth proportional to 68,608.76, 102,913.96 and 24,204.36 is: 36,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608.76 : 102,913.96 = 24,204.36 : x
  2. Step 2: Convert to fraction form
    68,608.76/102,913.96 = 24,204.36/x
  3. Step 3: Cross multiply
    68,608.76x = 102,913.96 × 24,204.36
  4. Step 4: Simplify right side
    68,608.76x = 2,490,966,536.87
  5. Step 5: Solve for x
    x = 2,490,966,536.87/68,608.76
  6. Step 6: Final answer
    x = 36,306.83

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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.