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Finding the Fourth Proportional to 88,067.10, 132,100.65 and 57,999.90

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Solution

The fourth proportional to 88,067.10, 132,100.65 and 57,999.90 is: 86,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,067.10 : 132,100.65 = 57,999.90 : x
  2. Step 2: Convert to fraction form
    88,067.10/132,100.65 = 57,999.90/x
  3. Step 3: Cross multiply
    88,067.10x = 132,100.65 × 57,999.90
  4. Step 4: Simplify right side
    88,067.10x = 7,661,824,489.94
  5. Step 5: Solve for x
    x = 7,661,824,489.94/88,067.10
  6. Step 6: Final answer
    x = 86,999.85

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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.