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Finding the Fourth Proportional to 68,608, 102,920.08 and 24,225.36

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Solution

The fourth proportional to 68,608, 102,920.08 and 24,225.36 is: 36,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608 : 102,920.08 = 24,225.36 : x
  2. Step 2: Convert to fraction form
    68,608/102,920.08 = 24,225.36/x
  3. Step 3: Cross multiply
    68,608x = 102,920.08 × 24,225.36
  4. Step 4: Simplify right side
    68,608x = 2,493,275,989.23
  5. Step 5: Solve for x
    x = 2,493,275,989.23/68,608
  6. Step 6: Final answer
    x = 36,340.89

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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.