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Finding the Fourth Proportional to 92,081.00, 138,121.50 and 60,908.96

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Solution

The fourth proportional to 92,081.00, 138,121.50 and 60,908.96 is: 91,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,081.00 : 138,121.50 = 60,908.96 : x
  2. Step 2: Convert to fraction form
    92,081.00/138,121.50 = 60,908.96/x
  3. Step 3: Cross multiply
    92,081.00x = 138,121.50 × 60,908.96
  4. Step 4: Simplify right side
    92,081.00x = 8,412,836,228.03
  5. Step 5: Solve for x
    x = 8,412,836,228.03/92,081.00
  6. Step 6: Final answer
    x = 91,363.44

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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.