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Finding the Fourth Proportional to 239,706.36, 330,801.39 and 132,284.55

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Solution

The fourth proportional to 239,706.36, 330,801.39 and 132,284.55 is: 182,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.36 : 330,801.39 = 132,284.55 : x
  2. Step 2: Convert to fraction form
    239,706.36/330,801.39 = 132,284.55/x
  3. Step 3: Cross multiply
    239,706.36x = 330,801.39 × 132,284.55
  4. Step 4: Simplify right side
    239,706.36x = 43,759,913,015.52
  5. Step 5: Solve for x
    x = 43,759,913,015.52/239,706.36
  6. Step 6: Final answer
    x = 182,556.33

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1.5x scale

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.