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Finding the Fourth Proportional to 167,200.74, 250,684.47 and 61,991.46

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Solution

The fourth proportional to 167,200.74, 250,684.47 and 61,991.46 is: 92,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,200.74 : 250,684.47 = 61,991.46 : x
  2. Step 2: Convert to fraction form
    167,200.74/250,684.47 = 61,991.46/x
  3. Step 3: Cross multiply
    167,200.74x = 250,684.47 × 61,991.46
  4. Step 4: Simplify right side
    167,200.74x = 15,540,296,294.63
  5. Step 5: Solve for x
    x = 15,540,296,294.63/167,200.74
  6. Step 6: Final answer
    x = 92,943.94

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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.