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Finding the Fourth Proportional to 107,593.30, 161,195.55 and 92,041.30

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Solution

The fourth proportional to 107,593.30, 161,195.55 and 92,041.30 is: 137,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,593.30 : 161,195.55 = 92,041.30 : x
  2. Step 2: Convert to fraction form
    107,593.30/161,195.55 = 92,041.30/x
  3. Step 3: Cross multiply
    107,593.30x = 161,195.55 × 92,041.30
  4. Step 4: Simplify right side
    107,593.30x = 14,836,647,976.22
  5. Step 5: Solve for x
    x = 14,836,647,976.22/107,593.30
  6. Step 6: Final answer
    x = 137,895.65

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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.