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Finding the Fourth Proportional to 230,659.26, 345,687.45 and 118,244.22

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Solution

The fourth proportional to 230,659.26, 345,687.45 and 118,244.22 is: 177,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,659.26 : 345,687.45 = 118,244.22 : x
  2. Step 2: Convert to fraction form
    230,659.26/345,687.45 = 118,244.22/x
  3. Step 3: Cross multiply
    230,659.26x = 345,687.45 × 118,244.22
  4. Step 4: Simplify right side
    230,659.26x = 40,875,542,889.04
  5. Step 5: Solve for x
    x = 40,875,542,889.04/230,659.26
  6. Step 6: Final answer
    x = 177,211.80

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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.