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Finding the Fourth Proportional to 67,261.63, 100,899.27 and 22,891.51

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Solution

The fourth proportional to 67,261.63, 100,899.27 and 22,891.51 is: 34,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.63 : 100,899.27 = 22,891.51 : x
  2. Step 2: Convert to fraction form
    67,261.63/100,899.27 = 22,891.51/x
  3. Step 3: Cross multiply
    67,261.63x = 100,899.27 × 22,891.51
  4. Step 4: Simplify right side
    67,261.63x = 2,309,736,648.20
  5. Step 5: Solve for x
    x = 2,309,736,648.20/67,261.63
  6. Step 6: Final answer
    x = 34,339.59

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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.