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Finding the Fourth Proportional to 81,334.37, 112,241.39 and 45,524.37

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Solution

The fourth proportional to 81,334.37, 112,241.39 and 45,524.37 is: 62,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,334.37 : 112,241.39 = 45,524.37 : x
  2. Step 2: Convert to fraction form
    81,334.37/112,241.39 = 45,524.37/x
  3. Step 3: Cross multiply
    81,334.37x = 112,241.39 × 45,524.37
  4. Step 4: Simplify right side
    81,334.37x = 5,109,718,340.05
  5. Step 5: Solve for x
    x = 5,109,718,340.05/81,334.37
  6. Step 6: Final answer
    x = 62,823.61

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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.