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Finding the Fourth Proportional to 133,954.88, 200,961.70 and 39,193.08

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Solution

The fourth proportional to 133,954.88, 200,961.70 and 39,193.08 is: 58,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,954.88 : 200,961.70 = 39,193.08 : x
  2. Step 2: Convert to fraction form
    133,954.88/200,961.70 = 39,193.08/x
  3. Step 3: Cross multiply
    133,954.88x = 200,961.70 × 39,193.08
  4. Step 4: Simplify right side
    133,954.88x = 7,876,307,133.45
  5. Step 5: Solve for x
    x = 7,876,307,133.45/133,954.88
  6. Step 6: Final answer
    x = 58,798.21

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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.