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Finding the Fourth Proportional to 116,993.25, 175,489.89 and 38,107.49

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Solution

The fourth proportional to 116,993.25, 175,489.89 and 38,107.49 is: 57,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,993.25 : 175,489.89 = 38,107.49 : x
  2. Step 2: Convert to fraction form
    116,993.25/175,489.89 = 38,107.49/x
  3. Step 3: Cross multiply
    116,993.25x = 175,489.89 × 38,107.49
  4. Step 4: Simplify right side
    116,993.25x = 6,687,478,350.83
  5. Step 5: Solve for x
    x = 6,687,478,350.83/116,993.25
  6. Step 6: Final answer
    x = 57,161.23

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1.5x scale

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.