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Finding the Fourth Proportional to 187,992.08, 259,422.72 and 111,556.56

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Solution

The fourth proportional to 187,992.08, 259,422.72 and 111,556.56 is: 153,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,992.08 : 259,422.72 = 111,556.56 : x
  2. Step 2: Convert to fraction form
    187,992.08/259,422.72 = 111,556.56/x
  3. Step 3: Cross multiply
    187,992.08x = 259,422.72 × 111,556.56
  4. Step 4: Simplify right side
    187,992.08x = 28,940,306,229.04
  5. Step 5: Solve for x
    x = 28,940,306,229.04/187,992.08
  6. Step 6: Final answer
    x = 153,944.28

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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.