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Finding the Fourth Proportional to 167,889.69, 251,922.02 and 74,373.57

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Solution

The fourth proportional to 167,889.69, 251,922.02 and 74,373.57 is: 111,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,889.69 : 251,922.02 = 74,373.57 : x
  2. Step 2: Convert to fraction form
    167,889.69/251,922.02 = 74,373.57/x
  3. Step 3: Cross multiply
    167,889.69x = 251,922.02 × 74,373.57
  4. Step 4: Simplify right side
    167,889.69x = 18,736,339,617.14
  5. Step 5: Solve for x
    x = 18,736,339,617.14/167,889.69
  6. Step 6: Final answer
    x = 111,599.11

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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.