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Finding the Fourth Proportional to 139,224.44, 208,834.62 and 34,044.32

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Solution

The fourth proportional to 139,224.44, 208,834.62 and 34,044.32 is: 51,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,224.44 : 208,834.62 = 34,044.32 : x
  2. Step 2: Convert to fraction form
    139,224.44/208,834.62 = 34,044.32/x
  3. Step 3: Cross multiply
    139,224.44x = 208,834.62 × 34,044.32
  4. Step 4: Simplify right side
    139,224.44x = 7,109,632,630.36
  5. Step 5: Solve for x
    x = 7,109,632,630.36/139,224.44
  6. Step 6: Final answer
    x = 51,065.98

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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.