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Finding the Fourth Proportional to 231,751.40, 347,627.10 and 73,995.80

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Solution

The fourth proportional to 231,751.40, 347,627.10 and 73,995.80 is: 110,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,751.40 : 347,627.10 = 73,995.80 : x
  2. Step 2: Convert to fraction form
    231,751.40/347,627.10 = 73,995.80/x
  3. Step 3: Cross multiply
    231,751.40x = 347,627.10 × 73,995.80
  4. Step 4: Simplify right side
    231,751.40x = 25,722,945,366.18
  5. Step 5: Solve for x
    x = 25,722,945,366.18/231,751.40
  6. Step 6: Final answer
    x = 110,993.70

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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.