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Finding the Fourth Proportional to 225,615.72, 338,393.34 and 107,362.20

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Solution

The fourth proportional to 225,615.72, 338,393.34 and 107,362.20 is: 161,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,615.72 : 338,393.34 = 107,362.20 : x
  2. Step 2: Convert to fraction form
    225,615.72/338,393.34 = 107,362.20/x
  3. Step 3: Cross multiply
    225,615.72x = 338,393.34 × 107,362.20
  4. Step 4: Simplify right side
    225,615.72x = 36,330,653,447.75
  5. Step 5: Solve for x
    x = 36,330,653,447.75/225,615.72
  6. Step 6: Final answer
    x = 161,028.91

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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.