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Finding the Fourth Proportional to 64,493.66, 88,996.36 and 36,193.88

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Solution

The fourth proportional to 64,493.66, 88,996.36 and 36,193.88 is: 49,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,493.66 : 88,996.36 = 36,193.88 : x
  2. Step 2: Convert to fraction form
    64,493.66/88,996.36 = 36,193.88/x
  3. Step 3: Cross multiply
    64,493.66x = 88,996.36 × 36,193.88
  4. Step 4: Simplify right side
    64,493.66x = 3,221,123,129.30
  5. Step 5: Solve for x
    x = 3,221,123,129.30/64,493.66
  6. Step 6: Final answer
    x = 49,944.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.