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Finding the Fourth Proportional to 168,013.75, 252,025.49 and 43,354.75

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Solution

The fourth proportional to 168,013.75, 252,025.49 and 43,354.75 is: 65,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,013.75 : 252,025.49 = 43,354.75 : x
  2. Step 2: Convert to fraction form
    168,013.75/252,025.49 = 43,354.75/x
  3. Step 3: Cross multiply
    168,013.75x = 252,025.49 × 43,354.75
  4. Step 4: Simplify right side
    168,013.75x = 10,926,502,112.58
  5. Step 5: Solve for x
    x = 10,926,502,112.58/168,013.75
  6. Step 6: Final answer
    x = 65,033.38

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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.