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Finding the Fourth Proportional to 169,176.73, 253,745.34 and 67,970.68

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Solution

The fourth proportional to 169,176.73, 253,745.34 and 67,970.68 is: 101,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,176.73 : 253,745.34 = 67,970.68 : x
  2. Step 2: Convert to fraction form
    169,176.73/253,745.34 = 67,970.68/x
  3. Step 3: Cross multiply
    169,176.73x = 253,745.34 × 67,970.68
  4. Step 4: Simplify right side
    169,176.73x = 17,247,243,844.70
  5. Step 5: Solve for x
    x = 17,247,243,844.70/169,176.73
  6. Step 6: Final answer
    x = 101,948.09

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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.