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Finding the Fourth Proportional to 139,113.52, 208,672.48 and 33,934.48

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Solution

The fourth proportional to 139,113.52, 208,672.48 and 33,934.48 is: 50,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,113.52 : 208,672.48 = 33,934.48 : x
  2. Step 2: Convert to fraction form
    139,113.52/208,672.48 = 33,934.48/x
  3. Step 3: Cross multiply
    139,113.52x = 208,672.48 × 33,934.48
  4. Step 4: Simplify right side
    139,113.52x = 7,081,192,099.11
  5. Step 5: Solve for x
    x = 7,081,192,099.11/139,113.52
  6. Step 6: Final answer
    x = 50,902.26

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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.