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Finding the Fourth Proportional to 167,085.80, 250,628.10 and 40,724.60

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Solution

The fourth proportional to 167,085.80, 250,628.10 and 40,724.60 is: 61,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,085.80 : 250,628.10 = 40,724.60 : x
  2. Step 2: Convert to fraction form
    167,085.80/250,628.10 = 40,724.60/x
  3. Step 3: Cross multiply
    167,085.80x = 250,628.10 × 40,724.60
  4. Step 4: Simplify right side
    167,085.80x = 10,206,729,121.26
  5. Step 5: Solve for x
    x = 10,206,729,121.26/167,085.80
  6. Step 6: Final answer
    x = 61,086.75

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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.