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Finding the Fourth Proportional to 239,399.63, 359,151.92 and 70,933.19

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Solution

The fourth proportional to 239,399.63, 359,151.92 and 70,933.19 is: 106,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,399.63 : 359,151.92 = 70,933.19 : x
  2. Step 2: Convert to fraction form
    239,399.63/359,151.92 = 70,933.19/x
  3. Step 3: Cross multiply
    239,399.63x = 359,151.92 × 70,933.19
  4. Step 4: Simplify right side
    239,399.63x = 25,475,789,229.80
  5. Step 5: Solve for x
    x = 25,475,789,229.80/239,399.63
  6. Step 6: Final answer
    x = 106,415.33

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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.