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Finding the Fourth Proportional to 89,833.91, 134,727.87 and 26,639.24

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Solution

The fourth proportional to 89,833.91, 134,727.87 and 26,639.24 is: 39,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,833.91 : 134,727.87 = 26,639.24 : x
  2. Step 2: Convert to fraction form
    89,833.91/134,727.87 = 26,639.24/x
  3. Step 3: Cross multiply
    89,833.91x = 134,727.87 × 26,639.24
  4. Step 4: Simplify right side
    89,833.91x = 3,589,048,063.62
  5. Step 5: Solve for x
    x = 3,589,048,063.62/89,833.91
  6. Step 6: Final answer
    x = 39,952.04

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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.