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Finding the Fourth Proportional to 132,249.21, 182,520.59 and 81,955.77

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Solution

The fourth proportional to 132,249.21, 182,520.59 and 81,955.77 is: 113,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,249.21 : 182,520.59 = 81,955.77 : x
  2. Step 2: Convert to fraction form
    132,249.21/182,520.59 = 81,955.77/x
  3. Step 3: Cross multiply
    132,249.21x = 182,520.59 × 81,955.77
  4. Step 4: Simplify right side
    132,249.21x = 14,958,615,084.53
  5. Step 5: Solve for x
    x = 14,958,615,084.53/132,249.21
  6. Step 6: Final answer
    x = 113,109.30

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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.