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Finding the Fourth Proportional to 100,799.37, 151,199.78 and 37,633.77

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Solution

The fourth proportional to 100,799.37, 151,199.78 and 37,633.77 is: 56,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,799.37 : 151,199.78 = 37,633.77 : x
  2. Step 2: Convert to fraction form
    100,799.37/151,199.78 = 37,633.77/x
  3. Step 3: Cross multiply
    100,799.37x = 151,199.78 × 37,633.77
  4. Step 4: Simplify right side
    100,799.37x = 5,690,217,556.40
  5. Step 5: Solve for x
    x = 5,690,217,556.40/100,799.37
  6. Step 6: Final answer
    x = 56,450.92

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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.