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Finding the Fourth Proportional to 132,247, 182,517.50 and 81,953.56

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Solution

The fourth proportional to 132,247, 182,517.50 and 81,953.56 is: 113,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,247 : 182,517.50 = 81,953.56 : x
  2. Step 2: Convert to fraction form
    132,247/182,517.50 = 81,953.56/x
  3. Step 3: Cross multiply
    132,247x = 182,517.50 × 81,953.56
  4. Step 4: Simplify right side
    132,247x = 14,957,958,887.30
  5. Step 5: Solve for x
    x = 14,957,958,887.30/132,247
  6. Step 6: Final answer
    x = 113,106.22

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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.