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Finding the Fourth Proportional to 167,367.88, 251,051.68 and 42,708.88

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Solution

The fourth proportional to 167,367.88, 251,051.68 and 42,708.88 is: 64,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,367.88 : 251,051.68 = 42,708.88 : x
  2. Step 2: Convert to fraction form
    167,367.88/251,051.68 = 42,708.88/x
  3. Step 3: Cross multiply
    167,367.88x = 251,051.68 × 42,708.88
  4. Step 4: Simplify right side
    167,367.88x = 10,722,136,074.92
  5. Step 5: Solve for x
    x = 10,722,136,074.92/167,367.88
  6. Step 6: Final answer
    x = 64,063.28

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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.