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Finding the Fourth Proportional to 166,625.52, 249,939.24 and 68,129.52

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Solution

The fourth proportional to 166,625.52, 249,939.24 and 68,129.52 is: 102,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,625.52 : 249,939.24 = 68,129.52 : x
  2. Step 2: Convert to fraction form
    166,625.52/249,939.24 = 68,129.52/x
  3. Step 3: Cross multiply
    166,625.52x = 249,939.24 × 68,129.52
  4. Step 4: Simplify right side
    166,625.52x = 17,028,240,450.36
  5. Step 5: Solve for x
    x = 17,028,240,450.36/166,625.52
  6. Step 6: Final answer
    x = 102,194.67

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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.