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Finding the Fourth Proportional to 88,596.80, 132,920.80 and 26,268.80

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Solution

The fourth proportional to 88,596.80, 132,920.80 and 26,268.80 is: 39,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,596.80 : 132,920.80 = 26,268.80 : x
  2. Step 2: Convert to fraction form
    88,596.80/132,920.80 = 26,268.80/x
  3. Step 3: Cross multiply
    88,596.80x = 132,920.80 × 26,268.80
  4. Step 4: Simplify right side
    88,596.80x = 3,491,669,911.04
  5. Step 5: Solve for x
    x = 3,491,669,911.04/88,596.80
  6. Step 6: Final answer
    x = 39,410.79

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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.