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Finding the Fourth Proportional to 79,763.58, 119,608.65 and 27,158.94

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Solution

The fourth proportional to 79,763.58, 119,608.65 and 27,158.94 is: 40,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.58 : 119,608.65 = 27,158.94 : x
  2. Step 2: Convert to fraction form
    79,763.58/119,608.65 = 27,158.94/x
  3. Step 3: Cross multiply
    79,763.58x = 119,608.65 × 27,158.94
  4. Step 4: Simplify right side
    79,763.58x = 3,248,444,148.83
  5. Step 5: Solve for x
    x = 3,248,444,148.83/79,763.58
  6. Step 6: Final answer
    x = 40,725.91

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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.