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Finding the Fourth Proportional to 84,567.77, 126,859.15 and 22,238.27

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Solution

The fourth proportional to 84,567.77, 126,859.15 and 22,238.27 is: 33,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.77 : 126,859.15 = 22,238.27 : x
  2. Step 2: Convert to fraction form
    84,567.77/126,859.15 = 22,238.27/x
  3. Step 3: Cross multiply
    84,567.77x = 126,859.15 × 22,238.27
  4. Step 4: Simplify right side
    84,567.77x = 2,821,128,654.17
  5. Step 5: Solve for x
    x = 2,821,128,654.17/84,567.77
  6. Step 6: Final answer
    x = 33,359.38

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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.