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Finding the Fourth Proportional to 168,243.88, 252,365 and 159,834.46

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Solution

The fourth proportional to 168,243.88, 252,365 and 159,834.46 is: 239,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,243.88 : 252,365 = 159,834.46 : x
  2. Step 2: Convert to fraction form
    168,243.88/252,365 = 159,834.46/x
  3. Step 3: Cross multiply
    168,243.88x = 252,365 × 159,834.46
  4. Step 4: Simplify right side
    168,243.88x = 40,336,622,236.08
  5. Step 5: Solve for x
    x = 40,336,622,236.08/168,243.88
  6. Step 6: Final answer
    x = 239,750.91

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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.