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Finding the Fourth Proportional to 68,735.70, 94,900.96 and 52,791.66

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Solution

The fourth proportional to 68,735.70, 94,900.96 and 52,791.66 is: 72,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,735.70 : 94,900.96 = 52,791.66 : x
  2. Step 2: Convert to fraction form
    68,735.70/94,900.96 = 52,791.66/x
  3. Step 3: Cross multiply
    68,735.70x = 94,900.96 × 52,791.66
  4. Step 4: Simplify right side
    68,735.70x = 5,009,979,213.99
  5. Step 5: Solve for x
    x = 5,009,979,213.99/68,735.70
  6. Step 6: Final answer
    x = 72,887.59

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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.