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Finding the Fourth Proportional to 65,333.92, 90,188.39 and 44,141.89

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Solution

The fourth proportional to 65,333.92, 90,188.39 and 44,141.89 is: 60,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,333.92 : 90,188.39 = 44,141.89 : x
  2. Step 2: Convert to fraction form
    65,333.92/90,188.39 = 44,141.89/x
  3. Step 3: Cross multiply
    65,333.92x = 90,188.39 × 44,141.89
  4. Step 4: Simplify right side
    65,333.92x = 3,981,085,990.66
  5. Step 5: Solve for x
    x = 3,981,085,990.66/65,333.92
  6. Step 6: Final answer
    x = 60,934.44

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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.