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Finding the Fourth Proportional to 167,891.91, 251,777.39 and 55,551.39

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Solution

The fourth proportional to 167,891.91, 251,777.39 and 55,551.39 is: 83,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891.91 : 251,777.39 = 55,551.39 : x
  2. Step 2: Convert to fraction form
    167,891.91/251,777.39 = 55,551.39/x
  3. Step 3: Cross multiply
    167,891.91x = 251,777.39 × 55,551.39
  4. Step 4: Simplify right side
    167,891.91x = 13,986,583,707.32
  5. Step 5: Solve for x
    x = 13,986,583,707.32/167,891.91
  6. Step 6: Final answer
    x = 83,307.07

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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.