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Finding the Fourth Proportional to 92,839.88, 139,282.44 and 29,659.92

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Solution

The fourth proportional to 92,839.88, 139,282.44 and 29,659.92 is: 44,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,839.88 : 139,282.44 = 29,659.92 : x
  2. Step 2: Convert to fraction form
    92,839.88/139,282.44 = 29,659.92/x
  3. Step 3: Cross multiply
    92,839.88x = 139,282.44 × 29,659.92
  4. Step 4: Simplify right side
    92,839.88x = 4,131,106,027.80
  5. Step 5: Solve for x
    x = 4,131,106,027.80/92,839.88
  6. Step 6: Final answer
    x = 44,497.11

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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.