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Finding the Fourth Proportional to 185,406.25, 277,944.44 and 67,051.28

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Solution

The fourth proportional to 185,406.25, 277,944.44 and 67,051.28 is: 100,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,406.25 : 277,944.44 = 67,051.28 : x
  2. Step 2: Convert to fraction form
    185,406.25/277,944.44 = 67,051.28/x
  3. Step 3: Cross multiply
    185,406.25x = 277,944.44 × 67,051.28
  4. Step 4: Simplify right side
    185,406.25x = 18,636,530,470.88
  5. Step 5: Solve for x
    x = 18,636,530,470.88/185,406.25
  6. Step 6: Final answer
    x = 100,517.27

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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.