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Finding the Fourth Proportional to 104,650.39, 144,797.85 and 91,249.57

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Solution

The fourth proportional to 104,650.39, 144,797.85 and 91,249.57 is: 126,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.39 : 144,797.85 = 91,249.57 : x
  2. Step 2: Convert to fraction form
    104,650.39/144,797.85 = 91,249.57/x
  3. Step 3: Cross multiply
    104,650.39x = 144,797.85 × 91,249.57
  4. Step 4: Simplify right side
    104,650.39x = 13,212,741,549.42
  5. Step 5: Solve for x
    x = 13,212,741,549.42/104,650.39
  6. Step 6: Final answer
    x = 126,256.02

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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.