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Finding the Fourth Proportional to 104,167, 156,162.88 and 84,396.52

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Solution

The fourth proportional to 104,167, 156,162.88 and 84,396.52 is: 126,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167 : 156,162.88 = 84,396.52 : x
  2. Step 2: Convert to fraction form
    104,167/156,162.88 = 84,396.52/x
  3. Step 3: Cross multiply
    104,167x = 156,162.88 × 84,396.52
  4. Step 4: Simplify right side
    104,167x = 13,179,603,625.18
  5. Step 5: Solve for x
    x = 13,179,603,625.18/104,167
  6. Step 6: Final answer
    x = 126,523.79

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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.