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Finding the Fourth Proportional to 188,186.88, 259,695.36 and 107,627.52

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Solution

The fourth proportional to 188,186.88, 259,695.36 and 107,627.52 is: 148,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,186.88 : 259,695.36 = 107,627.52 : x
  2. Step 2: Convert to fraction form
    188,186.88/259,695.36 = 107,627.52/x
  3. Step 3: Cross multiply
    188,186.88x = 259,695.36 × 107,627.52
  4. Step 4: Simplify right side
    188,186.88x = 27,950,367,552.31
  5. Step 5: Solve for x
    x = 27,950,367,552.31/188,186.88
  6. Step 6: Final answer
    x = 148,524.53

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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.