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Finding the Fourth Proportional to 69,118.77, 103,669.92 and 24,132.30

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Solution

The fourth proportional to 69,118.77, 103,669.92 and 24,132.30 is: 36,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,118.77 : 103,669.92 = 24,132.30 : x
  2. Step 2: Convert to fraction form
    69,118.77/103,669.92 = 24,132.30/x
  3. Step 3: Cross multiply
    69,118.77x = 103,669.92 × 24,132.30
  4. Step 4: Simplify right side
    69,118.77x = 2,501,793,610.42
  5. Step 5: Solve for x
    x = 2,501,793,610.42/69,118.77
  6. Step 6: Final answer
    x = 36,195.57

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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.