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Finding the Fourth Proportional to 185,863.68, 278,935.74 and 86,093.88

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Solution

The fourth proportional to 185,863.68, 278,935.74 and 86,093.88 is: 129,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,863.68 : 278,935.74 = 86,093.88 : x
  2. Step 2: Convert to fraction form
    185,863.68/278,935.74 = 86,093.88/x
  3. Step 3: Cross multiply
    185,863.68x = 278,935.74 × 86,093.88
  4. Step 4: Simplify right side
    185,863.68x = 24,014,660,127.27
  5. Step 5: Solve for x
    x = 24,014,660,127.27/185,863.68
  6. Step 6: Final answer
    x = 129,205.77

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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.