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Finding the Fourth Proportional to 167,959.50, 251,941.26 and 71,883.72

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Solution

The fourth proportional to 167,959.50, 251,941.26 and 71,883.72 is: 107,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,959.50 : 251,941.26 = 71,883.72 : x
  2. Step 2: Convert to fraction form
    167,959.50/251,941.26 = 71,883.72/x
  3. Step 3: Cross multiply
    167,959.50x = 251,941.26 × 71,883.72
  4. Step 4: Simplify right side
    167,959.50x = 18,110,474,990.29
  5. Step 5: Solve for x
    x = 18,110,474,990.29/167,959.50
  6. Step 6: Final answer
    x = 107,826.44

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1.5x scale

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.