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Finding the Fourth Proportional to 357,301.26, 535,610.75 and 132,601.59

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Solution

The fourth proportional to 357,301.26, 535,610.75 and 132,601.59 is: 198,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,301.26 : 535,610.75 = 132,601.59 : x
  2. Step 2: Convert to fraction form
    357,301.26/535,610.75 = 132,601.59/x
  3. Step 3: Cross multiply
    357,301.26x = 535,610.75 × 132,601.59
  4. Step 4: Simplify right side
    357,301.26x = 71,022,836,408.08
  5. Step 5: Solve for x
    x = 71,022,836,408.08/357,301.26
  6. Step 6: Final answer
    x = 198,775.78

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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.