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Finding the Fourth Proportional to 89,951.77, 134,904.13 and 26,754.87

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Solution

The fourth proportional to 89,951.77, 134,904.13 and 26,754.87 is: 40,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.77 : 134,904.13 = 26,754.87 : x
  2. Step 2: Convert to fraction form
    89,951.77/134,904.13 = 26,754.87/x
  3. Step 3: Cross multiply
    89,951.77x = 134,904.13 × 26,754.87
  4. Step 4: Simplify right side
    89,951.77x = 3,609,342,393.73
  5. Step 5: Solve for x
    x = 3,609,342,393.73/89,951.77
  6. Step 6: Final answer
    x = 40,125.31

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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.