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Finding the Fourth Proportional to 252,562.35, 378,851.73 and 132,589.00

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Solution

The fourth proportional to 252,562.35, 378,851.73 and 132,589.00 is: 198,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,562.35 : 378,851.73 = 132,589.00 : x
  2. Step 2: Convert to fraction form
    252,562.35/378,851.73 = 132,589.00/x
  3. Step 3: Cross multiply
    252,562.35x = 378,851.73 × 132,589.00
  4. Step 4: Simplify right side
    252,562.35x = 50,231,572,751.14
  5. Step 5: Solve for x
    x = 50,231,572,751.14/252,562.35
  6. Step 6: Final answer
    x = 198,887.81

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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.