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Finding the Fourth Proportional to 92,754.24, 139,104 and 39,446.12

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Solution

The fourth proportional to 92,754.24, 139,104 and 39,446.12 is: 59,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,754.24 : 139,104 = 39,446.12 : x
  2. Step 2: Convert to fraction form
    92,754.24/139,104 = 39,446.12/x
  3. Step 3: Cross multiply
    92,754.24x = 139,104 × 39,446.12
  4. Step 4: Simplify right side
    92,754.24x = 5,487,112,380.96
  5. Step 5: Solve for x
    x = 5,487,112,380.96/92,754.24
  6. Step 6: Final answer
    x = 59,157.54

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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.