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Finding the Fourth Proportional to 208,383.44, 312,572.72 and 50,612.04

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Solution

The fourth proportional to 208,383.44, 312,572.72 and 50,612.04 is: 75,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,383.44 : 312,572.72 = 50,612.04 : x
  2. Step 2: Convert to fraction form
    208,383.44/312,572.72 = 50,612.04/x
  3. Step 3: Cross multiply
    208,383.44x = 312,572.72 × 50,612.04
  4. Step 4: Simplify right side
    208,383.44x = 15,819,943,134.08
  5. Step 5: Solve for x
    x = 15,819,943,134.08/208,383.44
  6. Step 6: Final answer
    x = 75,917.47

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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.