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Finding the Fourth Proportional to 185,928.96, 278,794.44 and 73,604.64

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Solution

The fourth proportional to 185,928.96, 278,794.44 and 73,604.64 is: 110,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,928.96 : 278,794.44 = 73,604.64 : x
  2. Step 2: Convert to fraction form
    185,928.96/278,794.44 = 73,604.64/x
  3. Step 3: Cross multiply
    185,928.96x = 278,794.44 × 73,604.64
  4. Step 4: Simplify right side
    185,928.96x = 20,520,564,390.20
  5. Step 5: Solve for x
    x = 20,520,564,390.20/185,928.96
  6. Step 6: Final answer
    x = 110,367.77

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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.