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Finding the Fourth Proportional to 73,398.59, 109,930.59 and 43,755.17

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Solution

The fourth proportional to 73,398.59, 109,930.59 and 43,755.17 is: 65,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,398.59 : 109,930.59 = 43,755.17 : x
  2. Step 2: Convert to fraction form
    73,398.59/109,930.59 = 43,755.17/x
  3. Step 3: Cross multiply
    73,398.59x = 109,930.59 × 43,755.17
  4. Step 4: Simplify right side
    73,398.59x = 4,810,031,104.00
  5. Step 5: Solve for x
    x = 4,810,031,104.00/73,398.59
  6. Step 6: Final answer
    x = 65,533.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.