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Finding the Fourth Proportional to 73,712.66, 101,723.50 and 41,881.60

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Solution

The fourth proportional to 73,712.66, 101,723.50 and 41,881.60 is: 57,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712.66 : 101,723.50 = 41,881.60 : x
  2. Step 2: Convert to fraction form
    73,712.66/101,723.50 = 41,881.60/x
  3. Step 3: Cross multiply
    73,712.66x = 101,723.50 × 41,881.60
  4. Step 4: Simplify right side
    73,712.66x = 4,260,342,937.60
  5. Step 5: Solve for x
    x = 4,260,342,937.60/73,712.66
  6. Step 6: Final answer
    x = 57,796.62

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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.