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Finding the Fourth Proportional to 167,378.85, 251,084.19 and 55,059.99

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Solution

The fourth proportional to 167,378.85, 251,084.19 and 55,059.99 is: 82,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,378.85 : 251,084.19 = 55,059.99 : x
  2. Step 2: Convert to fraction form
    167,378.85/251,084.19 = 55,059.99/x
  3. Step 3: Cross multiply
    167,378.85x = 251,084.19 × 55,059.99
  4. Step 4: Simplify right side
    167,378.85x = 13,824,692,990.56
  5. Step 5: Solve for x
    x = 13,824,692,990.56/167,378.85
  6. Step 6: Final answer
    x = 82,595.22

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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.