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Finding the Fourth Proportional to 168,257.76, 252,332.03 and 55,907.81

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Solution

The fourth proportional to 168,257.76, 252,332.03 and 55,907.81 is: 83,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,257.76 : 252,332.03 = 55,907.81 : x
  2. Step 2: Convert to fraction form
    168,257.76/252,332.03 = 55,907.81/x
  3. Step 3: Cross multiply
    168,257.76x = 252,332.03 × 55,907.81
  4. Step 4: Simplify right side
    168,257.76x = 14,107,330,910.62
  5. Step 5: Solve for x
    x = 14,107,330,910.62/168,257.76
  6. Step 6: Final answer
    x = 83,843.57

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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.