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Finding the Fourth Proportional to 239,764.32, 330,880.32 and 132,336

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Solution

The fourth proportional to 239,764.32, 330,880.32 and 132,336 is: 182,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,764.32 : 330,880.32 = 132,336 : x
  2. Step 2: Convert to fraction form
    239,764.32/330,880.32 = 132,336/x
  3. Step 3: Cross multiply
    239,764.32x = 330,880.32 × 132,336
  4. Step 4: Simplify right side
    239,764.32x = 43,787,378,027.52
  5. Step 5: Solve for x
    x = 43,787,378,027.52/239,764.32
  6. Step 6: Final answer
    x = 182,626.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.