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Finding the Fourth Proportional to 73,911.22, 101,994.96 and 42,073.96

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Solution

The fourth proportional to 73,911.22, 101,994.96 and 42,073.96 is: 58,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911.22 : 101,994.96 = 42,073.96 : x
  2. Step 2: Convert to fraction form
    73,911.22/101,994.96 = 42,073.96/x
  3. Step 3: Cross multiply
    73,911.22x = 101,994.96 × 42,073.96
  4. Step 4: Simplify right side
    73,911.22x = 4,291,331,867.24
  5. Step 5: Solve for x
    x = 4,291,331,867.24/73,911.22
  6. Step 6: Final answer
    x = 58,060.63

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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.