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Finding the Fourth Proportional to 54,808.29, 82,145.01 and 43,669.17

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Solution

The fourth proportional to 54,808.29, 82,145.01 and 43,669.17 is: 65,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.29 : 82,145.01 = 43,669.17 : x
  2. Step 2: Convert to fraction form
    54,808.29/82,145.01 = 43,669.17/x
  3. Step 3: Cross multiply
    54,808.29x = 82,145.01 × 43,669.17
  4. Step 4: Simplify right side
    54,808.29x = 3,587,204,406.34
  5. Step 5: Solve for x
    x = 3,587,204,406.34/54,808.29
  6. Step 6: Final answer
    x = 65,450.03

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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.