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Finding the Fourth Proportional to 167,889.78, 251,862.03 and 49,573.08

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Solution

The fourth proportional to 167,889.78, 251,862.03 and 49,573.08 is: 74,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,889.78 : 251,862.03 = 49,573.08 : x
  2. Step 2: Convert to fraction form
    167,889.78/251,862.03 = 49,573.08/x
  3. Step 3: Cross multiply
    167,889.78x = 251,862.03 × 49,573.08
  4. Step 4: Simplify right side
    167,889.78x = 12,485,576,562.15
  5. Step 5: Solve for x
    x = 12,485,576,562.15/167,889.78
  6. Step 6: Final answer
    x = 74,367.70

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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.