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Finding the Fourth Proportional to 119,554.92, 179,221.61 and 52,959.56

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Solution

The fourth proportional to 119,554.92, 179,221.61 and 52,959.56 is: 79,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,554.92 : 179,221.61 = 52,959.56 : x
  2. Step 2: Convert to fraction form
    119,554.92/179,221.61 = 52,959.56/x
  3. Step 3: Cross multiply
    119,554.92x = 179,221.61 × 52,959.56
  4. Step 4: Simplify right side
    119,554.92x = 9,491,496,844.38
  5. Step 5: Solve for x
    x = 9,491,496,844.38/119,554.92
  6. Step 6: Final answer
    x = 79,390.27

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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.