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Finding the Fourth Proportional to 88,076.30, 132,114.45 and 84,965.90

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Solution

The fourth proportional to 88,076.30, 132,114.45 and 84,965.90 is: 127,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,076.30 : 132,114.45 = 84,965.90 : x
  2. Step 2: Convert to fraction form
    88,076.30/132,114.45 = 84,965.90/x
  3. Step 3: Cross multiply
    88,076.30x = 132,114.45 × 84,965.90
  4. Step 4: Simplify right side
    88,076.30x = 11,225,223,147.26
  5. Step 5: Solve for x
    x = 11,225,223,147.26/88,076.30
  6. Step 6: Final answer
    x = 127,448.85

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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.