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Finding the Fourth Proportional to 95,642.88, 131,987.94 and 53,201.42

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Solution

The fourth proportional to 95,642.88, 131,987.94 and 53,201.42 is: 73,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,642.88 : 131,987.94 = 53,201.42 : x
  2. Step 2: Convert to fraction form
    95,642.88/131,987.94 = 53,201.42/x
  3. Step 3: Cross multiply
    95,642.88x = 131,987.94 × 53,201.42
  4. Step 4: Simplify right side
    95,642.88x = 7,021,945,170.94
  5. Step 5: Solve for x
    x = 7,021,945,170.94/95,642.88
  6. Step 6: Final answer
    x = 73,418.38

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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.