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Finding the Fourth Proportional to 133,319, 200,076.96 and 63,198.56

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Solution

The fourth proportional to 133,319, 200,076.96 and 63,198.56 is: 94,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,319 : 200,076.96 = 63,198.56 : x
  2. Step 2: Convert to fraction form
    133,319/200,076.96 = 63,198.56/x
  3. Step 3: Cross multiply
    133,319x = 200,076.96 × 63,198.56
  4. Step 4: Simplify right side
    133,319x = 12,644,575,761.18
  5. Step 5: Solve for x
    x = 12,644,575,761.18/133,319
  6. Step 6: Final answer
    x = 94,844.51

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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.