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Finding the Fourth Proportional to 222,335.36, 306,794.28 and 126,836.48

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Solution

The fourth proportional to 222,335.36, 306,794.28 and 126,836.48 is: 175,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,335.36 : 306,794.28 = 126,836.48 : x
  2. Step 2: Convert to fraction form
    222,335.36/306,794.28 = 126,836.48/x
  3. Step 3: Cross multiply
    222,335.36x = 306,794.28 × 126,836.48
  4. Step 4: Simplify right side
    222,335.36x = 38,912,706,559.33
  5. Step 5: Solve for x
    x = 38,912,706,559.33/222,335.36
  6. Step 6: Final answer
    x = 175,018.07

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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.