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Finding the Fourth Proportional to 133,704.18, 200,504.43 and 71,340.66

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Solution

The fourth proportional to 133,704.18, 200,504.43 and 71,340.66 is: 106,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,704.18 : 200,504.43 = 71,340.66 : x
  2. Step 2: Convert to fraction form
    133,704.18/200,504.43 = 71,340.66/x
  3. Step 3: Cross multiply
    133,704.18x = 200,504.43 × 71,340.66
  4. Step 4: Simplify right side
    133,704.18x = 14,304,118,369.12
  5. Step 5: Solve for x
    x = 14,304,118,369.12/133,704.18
  6. Step 6: Final answer
    x = 106,983.33

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1.5x scale

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.