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Finding the Fourth Proportional to 133,304.91, 200,007.87 and 80,034.09

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Solution

The fourth proportional to 133,304.91, 200,007.87 and 80,034.09 is: 120,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,304.91 : 200,007.87 = 80,034.09 : x
  2. Step 2: Convert to fraction form
    133,304.91/200,007.87 = 80,034.09/x
  3. Step 3: Cross multiply
    133,304.91x = 200,007.87 × 80,034.09
  4. Step 4: Simplify right side
    133,304.91x = 16,007,447,868.29
  5. Step 5: Solve for x
    x = 16,007,447,868.29/133,304.91
  6. Step 6: Final answer
    x = 120,081.46

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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.