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Finding the Fourth Proportional to 169,376.99, 254,163.90 and 75,882.74

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Solution

The fourth proportional to 169,376.99, 254,163.90 and 75,882.74 is: 113,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,376.99 : 254,163.90 = 75,882.74 : x
  2. Step 2: Convert to fraction form
    169,376.99/254,163.90 = 75,882.74/x
  3. Step 3: Cross multiply
    169,376.99x = 254,163.90 × 75,882.74
  4. Step 4: Simplify right side
    169,376.99x = 19,286,651,870.27
  5. Step 5: Solve for x
    x = 19,286,651,870.27/169,376.99
  6. Step 6: Final answer
    x = 113,868.20

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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.