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Finding the Fourth Proportional to 168,656.64, 252,947.70 and 48,687.52

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Solution

The fourth proportional to 168,656.64, 252,947.70 and 48,687.52 is: 73,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,656.64 : 252,947.70 = 48,687.52 : x
  2. Step 2: Convert to fraction form
    168,656.64/252,947.70 = 48,687.52/x
  3. Step 3: Cross multiply
    168,656.64x = 252,947.70 × 48,687.52
  4. Step 4: Simplify right side
    168,656.64x = 12,315,395,570.33
  5. Step 5: Solve for x
    x = 12,315,395,570.33/168,656.64
  6. Step 6: Final answer
    x = 73,020.52

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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.