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Finding the Fourth Proportional to 239,767.73, 359,651.48 and 71,287.32

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Solution

The fourth proportional to 239,767.73, 359,651.48 and 71,287.32 is: 106,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,767.73 : 359,651.48 = 71,287.32 : x
  2. Step 2: Convert to fraction form
    239,767.73/359,651.48 = 71,287.32/x
  3. Step 3: Cross multiply
    239,767.73x = 359,651.48 × 71,287.32
  4. Step 4: Simplify right side
    239,767.73x = 25,638,590,143.23
  5. Step 5: Solve for x
    x = 25,638,590,143.23/239,767.73
  6. Step 6: Final answer
    x = 106,930.95

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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.