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Finding the Fourth Proportional to 119,771.88, 179,284.12 and 88,217.56

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Solution

The fourth proportional to 119,771.88, 179,284.12 and 88,217.56 is: 132,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,771.88 : 179,284.12 = 88,217.56 : x
  2. Step 2: Convert to fraction form
    119,771.88/179,284.12 = 88,217.56/x
  3. Step 3: Cross multiply
    119,771.88x = 179,284.12 × 88,217.56
  4. Step 4: Simplify right side
    119,771.88x = 15,816,007,613.15
  5. Step 5: Solve for x
    x = 15,816,007,613.15/119,771.88
  6. Step 6: Final answer
    x = 132,051.09

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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.