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Finding the Fourth Proportional to 88,791.39, 122,540.55 and 48,511.20

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Solution

The fourth proportional to 88,791.39, 122,540.55 and 48,511.20 is: 66,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,791.39 : 122,540.55 = 48,511.20 : x
  2. Step 2: Convert to fraction form
    88,791.39/122,540.55 = 48,511.20/x
  3. Step 3: Cross multiply
    88,791.39x = 122,540.55 × 48,511.20
  4. Step 4: Simplify right side
    88,791.39x = 5,944,589,406.77
  5. Step 5: Solve for x
    x = 5,944,589,406.77/88,791.39
  6. Step 6: Final answer
    x = 66,950.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.