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Finding the Fourth Proportional to 98,149.98, 147,221.83 and 41,254.03

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Solution

The fourth proportional to 98,149.98, 147,221.83 and 41,254.03 is: 61,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,149.98 : 147,221.83 = 41,254.03 : x
  2. Step 2: Convert to fraction form
    98,149.98/147,221.83 = 41,254.03/x
  3. Step 3: Cross multiply
    98,149.98x = 147,221.83 × 41,254.03
  4. Step 4: Simplify right side
    98,149.98x = 6,073,493,791.47
  5. Step 5: Solve for x
    x = 6,073,493,791.47/98,149.98
  6. Step 6: Final answer
    x = 61,879.73

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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.