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Finding the Fourth Proportional to 73,801.82, 110,688.96 and 19,767.13

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Solution

The fourth proportional to 73,801.82, 110,688.96 and 19,767.13 is: 29,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,801.82 : 110,688.96 = 19,767.13 : x
  2. Step 2: Convert to fraction form
    73,801.82/110,688.96 = 19,767.13/x
  3. Step 3: Cross multiply
    73,801.82x = 110,688.96 × 19,767.13
  4. Step 4: Simplify right side
    73,801.82x = 2,188,002,859.29
  5. Step 5: Solve for x
    x = 2,188,002,859.29/73,801.82
  6. Step 6: Final answer
    x = 29,647.00

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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.