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Finding the Fourth Proportional to 568,861.24, 853,340.86 and 148,137.88

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Solution

The fourth proportional to 568,861.24, 853,340.86 and 148,137.88 is: 222,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,861.24 : 853,340.86 = 148,137.88 : x
  2. Step 2: Convert to fraction form
    568,861.24/853,340.86 = 148,137.88/x
  3. Step 3: Cross multiply
    568,861.24x = 853,340.86 × 148,137.88
  4. Step 4: Simplify right side
    568,861.24x = 126,412,105,917.78
  5. Step 5: Solve for x
    x = 126,412,105,917.78/568,861.24
  6. Step 6: Final answer
    x = 222,219.58

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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.