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Finding the Fourth Proportional to 138,594.26, 207,889.56 and 33,412.38

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Solution

The fourth proportional to 138,594.26, 207,889.56 and 33,412.38 is: 50,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,594.26 : 207,889.56 = 33,412.38 : x
  2. Step 2: Convert to fraction form
    138,594.26/207,889.56 = 33,412.38/x
  3. Step 3: Cross multiply
    138,594.26x = 207,889.56 × 33,412.38
  4. Step 4: Simplify right side
    138,594.26x = 6,946,084,976.75
  5. Step 5: Solve for x
    x = 6,946,084,976.75/138,594.26
  6. Step 6: Final answer
    x = 50,118.13

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1.5x scale

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.