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Finding the Fourth Proportional to 81,936.92, 122,907.72 and 44,514.92

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Solution

The fourth proportional to 81,936.92, 122,907.72 and 44,514.92 is: 66,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,936.92 : 122,907.72 = 44,514.92 : x
  2. Step 2: Convert to fraction form
    81,936.92/122,907.72 = 44,514.92/x
  3. Step 3: Cross multiply
    81,936.92x = 122,907.72 × 44,514.92
  4. Step 4: Simplify right side
    81,936.92x = 5,471,227,323.18
  5. Step 5: Solve for x
    x = 5,471,227,323.18/81,936.92
  6. Step 6: Final answer
    x = 66,773.65

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1.5x scale

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.