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Finding the Fourth Proportional to 68,881.21, 103,285.92 and 24,501.52

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Solution

The fourth proportional to 68,881.21, 103,285.92 and 24,501.52 is: 36,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,881.21 : 103,285.92 = 24,501.52 : x
  2. Step 2: Convert to fraction form
    68,881.21/103,285.92 = 24,501.52/x
  3. Step 3: Cross multiply
    68,881.21x = 103,285.92 × 24,501.52
  4. Step 4: Simplify right side
    68,881.21x = 2,530,662,034.60
  5. Step 5: Solve for x
    x = 2,530,662,034.60/68,881.21
  6. Step 6: Final answer
    x = 36,739.51

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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.