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Finding the Fourth Proportional to 168,656.33, 252,947.23 and 48,687.21

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Solution

The fourth proportional to 168,656.33, 252,947.23 and 48,687.21 is: 73,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,656.33 : 252,947.23 = 48,687.21 : x
  2. Step 2: Convert to fraction form
    168,656.33/252,947.23 = 48,687.21/x
  3. Step 3: Cross multiply
    168,656.33x = 252,947.23 × 48,687.21
  4. Step 4: Simplify right side
    168,656.33x = 12,315,293,397.76
  5. Step 5: Solve for x
    x = 12,315,293,397.76/168,656.33
  6. Step 6: Final answer
    x = 73,020.05

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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.