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Finding the Fourth Proportional to 76,198.77, 114,256.49 and 60,504.62

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Solution

The fourth proportional to 76,198.77, 114,256.49 and 60,504.62 is: 90,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.77 : 114,256.49 = 60,504.62 : x
  2. Step 2: Convert to fraction form
    76,198.77/114,256.49 = 60,504.62/x
  3. Step 3: Cross multiply
    76,198.77x = 114,256.49 × 60,504.62
  4. Step 4: Simplify right side
    76,198.77x = 6,913,044,976.52
  5. Step 5: Solve for x
    x = 6,913,044,976.52/76,198.77
  6. Step 6: Final answer
    x = 90,723.84

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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.