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Finding the Fourth Proportional to 239,839.50, 359,696.54 and 71,314.44

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Solution

The fourth proportional to 239,839.50, 359,696.54 and 71,314.44 is: 106,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,839.50 : 359,696.54 = 71,314.44 : x
  2. Step 2: Convert to fraction form
    239,839.50/359,696.54 = 71,314.44/x
  3. Step 3: Cross multiply
    239,839.50x = 359,696.54 × 71,314.44
  4. Step 4: Simplify right side
    239,839.50x = 25,651,557,320.04
  5. Step 5: Solve for x
    x = 25,651,557,320.04/239,839.50
  6. Step 6: Final answer
    x = 106,953.01

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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.