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Finding the Fourth Proportional to 84,091.88, 126,150.06 and 24,919.88

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Solution

The fourth proportional to 84,091.88, 126,150.06 and 24,919.88 is: 37,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091.88 : 126,150.06 = 24,919.88 : x
  2. Step 2: Convert to fraction form
    84,091.88/126,150.06 = 24,919.88/x
  3. Step 3: Cross multiply
    84,091.88x = 126,150.06 × 24,919.88
  4. Step 4: Simplify right side
    84,091.88x = 3,143,644,357.19
  5. Step 5: Solve for x
    x = 3,143,644,357.19/84,091.88
  6. Step 6: Final answer
    x = 37,383.45

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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.