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Finding the Fourth Proportional to 144,622.27, 217,073.34 and 69,795.09

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Solution

The fourth proportional to 144,622.27, 217,073.34 and 69,795.09 is: 104,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,622.27 : 217,073.34 = 69,795.09 : x
  2. Step 2: Convert to fraction form
    144,622.27/217,073.34 = 69,795.09/x
  3. Step 3: Cross multiply
    144,622.27x = 217,073.34 × 69,795.09
  4. Step 4: Simplify right side
    144,622.27x = 15,150,651,867.56
  5. Step 5: Solve for x
    x = 15,150,651,867.56/144,622.27
  6. Step 6: Final answer
    x = 104,760.16

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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.