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Finding the Fourth Proportional to 89,569.62, 134,373.87 and 27,238.50

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Solution

The fourth proportional to 89,569.62, 134,373.87 and 27,238.50 is: 40,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,569.62 : 134,373.87 = 27,238.50 : x
  2. Step 2: Convert to fraction form
    89,569.62/134,373.87 = 27,238.50/x
  3. Step 3: Cross multiply
    89,569.62x = 134,373.87 × 27,238.50
  4. Step 4: Simplify right side
    89,569.62x = 3,660,142,658.00
  5. Step 5: Solve for x
    x = 3,660,142,658.00/89,569.62
  6. Step 6: Final answer
    x = 40,863.66

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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.