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Finding the Fourth Proportional to 86,183.64, 118,936.08 and 52,198.47

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Solution

The fourth proportional to 86,183.64, 118,936.08 and 52,198.47 is: 72,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,183.64 : 118,936.08 = 52,198.47 : x
  2. Step 2: Convert to fraction form
    86,183.64/118,936.08 = 52,198.47/x
  3. Step 3: Cross multiply
    86,183.64x = 118,936.08 × 52,198.47
  4. Step 4: Simplify right side
    86,183.64x = 6,208,281,403.80
  5. Step 5: Solve for x
    x = 6,208,281,403.80/86,183.64
  6. Step 6: Final answer
    x = 72,035.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.