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Finding the Fourth Proportional to 107,959.88, 161,935.20 and 36,888.88

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Solution

The fourth proportional to 107,959.88, 161,935.20 and 36,888.88 is: 55,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,959.88 : 161,935.20 = 36,888.88 : x
  2. Step 2: Convert to fraction form
    107,959.88/161,935.20 = 36,888.88/x
  3. Step 3: Cross multiply
    107,959.88x = 161,935.20 × 36,888.88
  4. Step 4: Simplify right side
    107,959.88x = 5,973,608,160.58
  5. Step 5: Solve for x
    x = 5,973,608,160.58/107,959.88
  6. Step 6: Final answer
    x = 55,331.74

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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.