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Finding the Fourth Proportional to 73,537.02, 110,272.73 and 20,934.20

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Solution

The fourth proportional to 73,537.02, 110,272.73 and 20,934.20 is: 31,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,537.02 : 110,272.73 = 20,934.20 : x
  2. Step 2: Convert to fraction form
    73,537.02/110,272.73 = 20,934.20/x
  3. Step 3: Cross multiply
    73,537.02x = 110,272.73 × 20,934.20
  4. Step 4: Simplify right side
    73,537.02x = 2,308,471,654.99
  5. Step 5: Solve for x
    x = 2,308,471,654.99/73,537.02
  6. Step 6: Final answer
    x = 31,391.97

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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.