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Finding the Fourth Proportional to 336,660.39, 505,072.92 and 112,020.27

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Solution

The fourth proportional to 336,660.39, 505,072.92 and 112,020.27 is: 168,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,660.39 : 505,072.92 = 112,020.27 : x
  2. Step 2: Convert to fraction form
    336,660.39/505,072.92 = 112,020.27/x
  3. Step 3: Cross multiply
    336,660.39x = 505,072.92 × 112,020.27
  4. Step 4: Simplify right side
    336,660.39x = 56,578,404,868.09
  5. Step 5: Solve for x
    x = 56,578,404,868.09/336,660.39
  6. Step 6: Final answer
    x = 168,057.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.