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Finding the Fourth Proportional to 132,808.36, 199,040.01 and 53,879.53

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Solution

The fourth proportional to 132,808.36, 199,040.01 and 53,879.53 is: 80,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808.36 : 199,040.01 = 53,879.53 : x
  2. Step 2: Convert to fraction form
    132,808.36/199,040.01 = 53,879.53/x
  3. Step 3: Cross multiply
    132,808.36x = 199,040.01 × 53,879.53
  4. Step 4: Simplify right side
    132,808.36x = 10,724,182,190.00
  5. Step 5: Solve for x
    x = 10,724,182,190.00/132,808.36
  6. Step 6: Final answer
    x = 80,749.30

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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.