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Finding the Fourth Proportional to 139,583.17, 209,394.06 and 44,791.06

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Solution

The fourth proportional to 139,583.17, 209,394.06 and 44,791.06 is: 67,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,583.17 : 209,394.06 = 44,791.06 : x
  2. Step 2: Convert to fraction form
    139,583.17/209,394.06 = 44,791.06/x
  3. Step 3: Cross multiply
    139,583.17x = 209,394.06 × 44,791.06
  4. Step 4: Simplify right side
    139,583.17x = 9,378,981,905.10
  5. Step 5: Solve for x
    x = 9,378,981,905.10/139,583.17
  6. Step 6: Final answer
    x = 67,192.78

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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.