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Finding the Fourth Proportional to 73,859.45, 101,924.73 and 42,027.66

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Solution

The fourth proportional to 73,859.45, 101,924.73 and 42,027.66 is: 57,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,859.45 : 101,924.73 = 42,027.66 : x
  2. Step 2: Convert to fraction form
    73,859.45/101,924.73 = 42,027.66/x
  3. Step 3: Cross multiply
    73,859.45x = 101,924.73 × 42,027.66
  4. Step 4: Simplify right side
    73,859.45x = 4,283,657,898.03
  5. Step 5: Solve for x
    x = 4,283,657,898.03/73,859.45
  6. Step 6: Final answer
    x = 57,997.43

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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.