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Finding the Fourth Proportional to 119,753.76, 179,650.16 and 53,216.80

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Solution

The fourth proportional to 119,753.76, 179,650.16 and 53,216.80 is: 79,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.76 : 179,650.16 = 53,216.80 : x
  2. Step 2: Convert to fraction form
    119,753.76/179,650.16 = 53,216.80/x
  3. Step 3: Cross multiply
    119,753.76x = 179,650.16 × 53,216.80
  4. Step 4: Simplify right side
    119,753.76x = 9,560,406,634.69
  5. Step 5: Solve for x
    x = 9,560,406,634.69/119,753.76
  6. Step 6: Final answer
    x = 79,833.87

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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.