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Finding the Fourth Proportional to 76,040.60, 114,092.76 and 33,891.64

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Solution

The fourth proportional to 76,040.60, 114,092.76 and 33,891.64 is: 50,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,040.60 : 114,092.76 = 33,891.64 : x
  2. Step 2: Convert to fraction form
    76,040.60/114,092.76 = 33,891.64/x
  3. Step 3: Cross multiply
    76,040.60x = 114,092.76 × 33,891.64
  4. Step 4: Simplify right side
    76,040.60x = 3,866,790,748.53
  5. Step 5: Solve for x
    x = 3,866,790,748.53/76,040.60
  6. Step 6: Final answer
    x = 50,851.66

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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.