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Finding the Fourth Proportional to 98,086.59, 147,027.82 and 45,452.79

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Solution

The fourth proportional to 98,086.59, 147,027.82 and 45,452.79 is: 68,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,086.59 : 147,027.82 = 45,452.79 : x
  2. Step 2: Convert to fraction form
    98,086.59/147,027.82 = 45,452.79/x
  3. Step 3: Cross multiply
    98,086.59x = 147,027.82 × 45,452.79
  4. Step 4: Simplify right side
    98,086.59x = 6,682,823,664.21
  5. Step 5: Solve for x
    x = 6,682,823,664.21/98,086.59
  6. Step 6: Final answer
    x = 68,131.88

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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.