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Finding the Fourth Proportional to 87,366.84, 131,068.89 and 49,944.84

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Solution

The fourth proportional to 87,366.84, 131,068.89 and 49,944.84 is: 74,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366.84 : 131,068.89 = 49,944.84 : x
  2. Step 2: Convert to fraction form
    87,366.84/131,068.89 = 49,944.84/x
  3. Step 3: Cross multiply
    87,366.84x = 131,068.89 × 49,944.84
  4. Step 4: Simplify right side
    87,366.84x = 6,546,214,740.03
  5. Step 5: Solve for x
    x = 6,546,214,740.03/87,366.84
  6. Step 6: Final answer
    x = 74,927.91

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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.