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Finding the Fourth Proportional to 132,244, 182,513.36 and 81,950.56

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Solution

The fourth proportional to 132,244, 182,513.36 and 81,950.56 is: 113,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,244 : 182,513.36 = 81,950.56 : x
  2. Step 2: Convert to fraction form
    132,244/182,513.36 = 81,950.56/x
  3. Step 3: Cross multiply
    132,244x = 182,513.36 × 81,950.56
  4. Step 4: Simplify right side
    132,244x = 14,957,072,059.48
  5. Step 5: Solve for x
    x = 14,957,072,059.48/132,244
  6. Step 6: Final answer
    x = 113,102.08

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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.