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Finding the Fourth Proportional to 276,773.68, 415,291.74 and 164,675.44

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Solution

The fourth proportional to 276,773.68, 415,291.74 and 164,675.44 is: 247,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,773.68 : 415,291.74 = 164,675.44 : x
  2. Step 2: Convert to fraction form
    276,773.68/415,291.74 = 164,675.44/x
  3. Step 3: Cross multiply
    276,773.68x = 415,291.74 × 164,675.44
  4. Step 4: Simplify right side
    276,773.68x = 68,388,350,012.87
  5. Step 5: Solve for x
    x = 68,388,350,012.87/276,773.68
  6. Step 6: Final answer
    x = 247,091.23

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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.