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Finding the Fourth Proportional to 73,330, 101,195.68 and 45,035.44

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Solution

The fourth proportional to 73,330, 101,195.68 and 45,035.44 is: 62,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,330 : 101,195.68 = 45,035.44 : x
  2. Step 2: Convert to fraction form
    73,330/101,195.68 = 45,035.44/x
  3. Step 3: Cross multiply
    73,330x = 101,195.68 × 45,035.44
  4. Step 4: Simplify right side
    73,330x = 4,557,391,974.90
  5. Step 5: Solve for x
    x = 4,557,391,974.90/73,330
  6. Step 6: Final answer
    x = 62,149.08

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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.