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Finding the Fourth Proportional to 88,034.30, 132,051.45 and 84,923.90

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Solution

The fourth proportional to 88,034.30, 132,051.45 and 84,923.90 is: 127,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,034.30 : 132,051.45 = 84,923.90 : x
  2. Step 2: Convert to fraction form
    88,034.30/132,051.45 = 84,923.90/x
  3. Step 3: Cross multiply
    88,034.30x = 132,051.45 × 84,923.90
  4. Step 4: Simplify right side
    88,034.30x = 11,214,324,134.66
  5. Step 5: Solve for x
    x = 11,214,324,134.66/88,034.30
  6. Step 6: Final answer
    x = 127,385.85

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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.