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Finding the Fourth Proportional to 114,474.78, 171,810.99 and 79,439.04

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Solution

The fourth proportional to 114,474.78, 171,810.99 and 79,439.04 is: 119,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,474.78 : 171,810.99 = 79,439.04 : x
  2. Step 2: Convert to fraction form
    114,474.78/171,810.99 = 79,439.04/x
  3. Step 3: Cross multiply
    114,474.78x = 171,810.99 × 79,439.04
  4. Step 4: Simplify right side
    114,474.78x = 13,648,500,107.05
  5. Step 5: Solve for x
    x = 13,648,500,107.05/114,474.78
  6. Step 6: Final answer
    x = 119,227.14

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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.