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Finding the Fourth Proportional to 167,906.17, 251,859.30 and 55,556.20

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Solution

The fourth proportional to 167,906.17, 251,859.30 and 55,556.20 is: 83,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,906.17 : 251,859.30 = 55,556.20 : x
  2. Step 2: Convert to fraction form
    167,906.17/251,859.30 = 55,556.20/x
  3. Step 3: Cross multiply
    167,906.17x = 251,859.30 × 55,556.20
  4. Step 4: Simplify right side
    167,906.17x = 13,992,345,642.66
  5. Step 5: Solve for x
    x = 13,992,345,642.66/167,906.17
  6. Step 6: Final answer
    x = 83,334.31

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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.