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Finding the Fourth Proportional to 276,051.70, 414,077.55 and 164,077.30

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Solution

The fourth proportional to 276,051.70, 414,077.55 and 164,077.30 is: 246,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,051.70 : 414,077.55 = 164,077.30 : x
  2. Step 2: Convert to fraction form
    276,051.70/414,077.55 = 164,077.30/x
  3. Step 3: Cross multiply
    276,051.70x = 414,077.55 × 164,077.30
  4. Step 4: Simplify right side
    276,051.70x = 67,940,726,394.62
  5. Step 5: Solve for x
    x = 67,940,726,394.62/276,051.70
  6. Step 6: Final answer
    x = 246,115.95

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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.