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Finding the Fourth Proportional to 239,536.49, 359,243.37 and 71,017.43

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Solution

The fourth proportional to 239,536.49, 359,243.37 and 71,017.43 is: 106,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,536.49 : 359,243.37 = 71,017.43 : x
  2. Step 2: Convert to fraction form
    239,536.49/359,243.37 = 71,017.43/x
  3. Step 3: Cross multiply
    239,536.49x = 359,243.37 × 71,017.43
  4. Step 4: Simplify right side
    239,536.49x = 25,512,539,085.72
  5. Step 5: Solve for x
    x = 25,512,539,085.72/239,536.49
  6. Step 6: Final answer
    x = 106,507.95

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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.