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Finding the Fourth Proportional to 222,942.88, 307,660.35 and 132,373.29

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Solution

The fourth proportional to 222,942.88, 307,660.35 and 132,373.29 is: 182,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,942.88 : 307,660.35 = 132,373.29 : x
  2. Step 2: Convert to fraction form
    222,942.88/307,660.35 = 132,373.29/x
  3. Step 3: Cross multiply
    222,942.88x = 307,660.35 × 132,373.29
  4. Step 4: Simplify right side
    222,942.88x = 40,726,012,732.05
  5. Step 5: Solve for x
    x = 40,726,012,732.05/222,942.88
  6. Step 6: Final answer
    x = 182,674.65

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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.