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Finding the Fourth Proportional to 182,757.79, 273,447.78 and 107,918.65

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Solution

The fourth proportional to 182,757.79, 273,447.78 and 107,918.65 is: 161,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,757.79 : 273,447.78 = 107,918.65 : x
  2. Step 2: Convert to fraction form
    182,757.79/273,447.78 = 107,918.65/x
  3. Step 3: Cross multiply
    182,757.79x = 273,447.78 × 107,918.65
  4. Step 4: Simplify right side
    182,757.79x = 29,510,115,263.10
  5. Step 5: Solve for x
    x = 29,510,115,263.10/182,757.79
  6. Step 6: Final answer
    x = 161,471.18

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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.