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Finding the Fourth Proportional to 159,079.71, 238,568.83 and 52,443.79

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Solution

The fourth proportional to 159,079.71, 238,568.83 and 52,443.79 is: 78,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,079.71 : 238,568.83 = 52,443.79 : x
  2. Step 2: Convert to fraction form
    159,079.71/238,568.83 = 52,443.79/x
  3. Step 3: Cross multiply
    159,079.71x = 238,568.83 × 52,443.79
  4. Step 4: Simplify right side
    159,079.71x = 12,511,452,893.53
  5. Step 5: Solve for x
    x = 12,511,452,893.53/159,079.71
  6. Step 6: Final answer
    x = 78,648.95

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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.