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Finding the Fourth Proportional to 133,391.52, 200,072.53 and 33,551.75

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Solution

The fourth proportional to 133,391.52, 200,072.53 and 33,551.75 is: 50,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.52 : 200,072.53 = 33,551.75 : x
  2. Step 2: Convert to fraction form
    133,391.52/200,072.53 = 33,551.75/x
  3. Step 3: Cross multiply
    133,391.52x = 200,072.53 × 33,551.75
  4. Step 4: Simplify right side
    133,391.52x = 6,712,784,050.55
  5. Step 5: Solve for x
    x = 6,712,784,050.55/133,391.52
  6. Step 6: Final answer
    x = 50,323.92

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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.