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Finding the Fourth Proportional to 86,126.88, 129,249.36 and 33,536.64

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Solution

The fourth proportional to 86,126.88, 129,249.36 and 33,536.64 is: 50,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,126.88 : 129,249.36 = 33,536.64 : x
  2. Step 2: Convert to fraction form
    86,126.88/129,249.36 = 33,536.64/x
  3. Step 3: Cross multiply
    86,126.88x = 129,249.36 × 33,536.64
  4. Step 4: Simplify right side
    86,126.88x = 4,334,589,256.55
  5. Step 5: Solve for x
    x = 4,334,589,256.55/86,126.88
  6. Step 6: Final answer
    x = 50,327.95

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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.