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Finding the Fourth Proportional to 168,257.88, 252,332.21 and 55,907.93

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Solution

The fourth proportional to 168,257.88, 252,332.21 and 55,907.93 is: 83,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,257.88 : 252,332.21 = 55,907.93 : x
  2. Step 2: Convert to fraction form
    168,257.88/252,332.21 = 55,907.93/x
  3. Step 3: Cross multiply
    168,257.88x = 252,332.21 × 55,907.93
  4. Step 4: Simplify right side
    168,257.88x = 14,107,372,304.03
  5. Step 5: Solve for x
    x = 14,107,372,304.03/168,257.88
  6. Step 6: Final answer
    x = 83,843.75

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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.