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Finding the Fourth Proportional to 239,483.32, 330,479.92 and 132,053.32

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Solution

The fourth proportional to 239,483.32, 330,479.92 and 132,053.32 is: 182,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,483.32 : 330,479.92 = 132,053.32 : x
  2. Step 2: Convert to fraction form
    239,483.32/330,479.92 = 132,053.32/x
  3. Step 3: Cross multiply
    239,483.32x = 330,479.92 × 132,053.32
  4. Step 4: Simplify right side
    239,483.32x = 43,640,970,629.33
  5. Step 5: Solve for x
    x = 43,640,970,629.33/239,483.32
  6. Step 6: Final answer
    x = 182,229.69

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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.