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Finding the Fourth Proportional to 168,326.88, 252,435.60 and 55,976.88

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Solution

The fourth proportional to 168,326.88, 252,435.60 and 55,976.88 is: 83,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,326.88 : 252,435.60 = 55,976.88 : x
  2. Step 2: Convert to fraction form
    168,326.88/252,435.60 = 55,976.88/x
  3. Step 3: Cross multiply
    168,326.88x = 252,435.60 × 55,976.88
  4. Step 4: Simplify right side
    168,326.88x = 14,130,557,288.93
  5. Step 5: Solve for x
    x = 14,130,557,288.93/168,326.88
  6. Step 6: Final answer
    x = 83,947.12

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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.