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Finding the Fourth Proportional to 107,368.88, 161,020.08 and 37,231.88

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Solution

The fourth proportional to 107,368.88, 161,020.08 and 37,231.88 is: 55,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.88 : 161,020.08 = 37,231.88 : x
  2. Step 2: Convert to fraction form
    107,368.88/161,020.08 = 37,231.88/x
  3. Step 3: Cross multiply
    107,368.88x = 161,020.08 × 37,231.88
  4. Step 4: Simplify right side
    107,368.88x = 5,995,080,296.15
  5. Step 5: Solve for x
    x = 5,995,080,296.15/107,368.88
  6. Step 6: Final answer
    x = 55,836.29

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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.