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Finding the Fourth Proportional to 139,103.52, 208,657.44 and 33,924.48

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Solution

The fourth proportional to 139,103.52, 208,657.44 and 33,924.48 is: 50,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,103.52 : 208,657.44 = 33,924.48 : x
  2. Step 2: Convert to fraction form
    139,103.52/208,657.44 = 33,924.48/x
  3. Step 3: Cross multiply
    139,103.52x = 208,657.44 × 33,924.48
  4. Step 4: Simplify right side
    139,103.52x = 7,078,595,150.13
  5. Step 5: Solve for x
    x = 7,078,595,150.13/139,103.52
  6. Step 6: Final answer
    x = 50,887.25

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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.