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Finding the Fourth Proportional to 85,232.91, 127,863.71 and 26,054.75

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Solution

The fourth proportional to 85,232.91, 127,863.71 and 26,054.75 is: 39,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.91 : 127,863.71 = 26,054.75 : x
  2. Step 2: Convert to fraction form
    85,232.91/127,863.71 = 26,054.75/x
  3. Step 3: Cross multiply
    85,232.91x = 127,863.71 × 26,054.75
  4. Step 4: Simplify right side
    85,232.91x = 3,331,456,998.12
  5. Step 5: Solve for x
    x = 3,331,456,998.12/85,232.91
  6. Step 6: Final answer
    x = 39,086.51

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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.