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Finding the Fourth Proportional to 200,973.73, 300,998.49 and 112,030.27

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Solution

The fourth proportional to 200,973.73, 300,998.49 and 112,030.27 is: 167,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,973.73 : 300,998.49 = 112,030.27 : x
  2. Step 2: Convert to fraction form
    200,973.73/300,998.49 = 112,030.27/x
  3. Step 3: Cross multiply
    200,973.73x = 300,998.49 × 112,030.27
  4. Step 4: Simplify right side
    200,973.73x = 33,720,942,104.29
  5. Step 5: Solve for x
    x = 33,720,942,104.29/200,973.73
  6. Step 6: Final answer
    x = 167,787.81

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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.