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Finding the Fourth Proportional to 104,493.26, 143,872.93 and 92,216.10

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Solution

The fourth proportional to 104,493.26, 143,872.93 and 92,216.10 is: 126,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.26 : 143,872.93 = 92,216.10 : x
  2. Step 2: Convert to fraction form
    104,493.26/143,872.93 = 92,216.10/x
  3. Step 3: Cross multiply
    104,493.26x = 143,872.93 × 92,216.10
  4. Step 4: Simplify right side
    104,493.26x = 13,267,400,500.17
  5. Step 5: Solve for x
    x = 13,267,400,500.17/104,493.26
  6. Step 6: Final answer
    x = 126,968.96

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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.