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Finding the Fourth Proportional to 239,930.54, 359,973.53 and 71,452.26

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Solution

The fourth proportional to 239,930.54, 359,973.53 and 71,452.26 is: 107,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,930.54 : 359,973.53 = 71,452.26 : x
  2. Step 2: Convert to fraction form
    239,930.54/359,973.53 = 71,452.26/x
  3. Step 3: Cross multiply
    239,930.54x = 359,973.53 × 71,452.26
  4. Step 4: Simplify right side
    239,930.54x = 25,720,922,437.31
  5. Step 5: Solve for x
    x = 25,720,922,437.31/239,930.54
  6. Step 6: Final answer
    x = 107,201.54

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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.