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Finding the Fourth Proportional to 104,679.75, 144,396.50 and 62,235.75

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Solution

The fourth proportional to 104,679.75, 144,396.50 and 62,235.75 is: 85,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,679.75 : 144,396.50 = 62,235.75 : x
  2. Step 2: Convert to fraction form
    104,679.75/144,396.50 = 62,235.75/x
  3. Step 3: Cross multiply
    104,679.75x = 144,396.50 × 62,235.75
  4. Step 4: Simplify right side
    104,679.75x = 8,986,624,163.70
  5. Step 5: Solve for x
    x = 8,986,624,163.70/104,679.75
  6. Step 6: Final answer
    x = 85,848.74

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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.