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Finding the Fourth Proportional to 61,754.76, 92,451.78 and 55,845.27

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Solution

The fourth proportional to 61,754.76, 92,451.78 and 55,845.27 is: 83,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.76 : 92,451.78 = 55,845.27 : x
  2. Step 2: Convert to fraction form
    61,754.76/92,451.78 = 55,845.27/x
  3. Step 3: Cross multiply
    61,754.76x = 92,451.78 × 55,845.27
  4. Step 4: Simplify right side
    61,754.76x = 5,162,994,616.08
  5. Step 5: Solve for x
    x = 5,162,994,616.08/61,754.76
  6. Step 6: Final answer
    x = 83,604.80

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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.