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Finding the Fourth Proportional to 107,393.68, 161,091.14 and 36,316.82

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Solution

The fourth proportional to 107,393.68, 161,091.14 and 36,316.82 is: 54,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,393.68 : 161,091.14 = 36,316.82 : x
  2. Step 2: Convert to fraction form
    107,393.68/161,091.14 = 36,316.82/x
  3. Step 3: Cross multiply
    107,393.68x = 161,091.14 × 36,316.82
  4. Step 4: Simplify right side
    107,393.68x = 5,850,317,753.39
  5. Step 5: Solve for x
    x = 5,850,317,753.39/107,393.68
  6. Step 6: Final answer
    x = 54,475.44

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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.