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Finding the Fourth Proportional to 73,693.90, 101,679.73 and 43,049.58

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Solution

The fourth proportional to 73,693.90, 101,679.73 and 43,049.58 is: 59,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,693.90 : 101,679.73 = 43,049.58 : x
  2. Step 2: Convert to fraction form
    73,693.90/101,679.73 = 43,049.58/x
  3. Step 3: Cross multiply
    73,693.90x = 101,679.73 × 43,049.58
  4. Step 4: Simplify right side
    73,693.90x = 4,377,269,671.01
  5. Step 5: Solve for x
    x = 4,377,269,671.01/73,693.90
  6. Step 6: Final answer
    x = 59,397.99

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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.