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Finding the Fourth Proportional to 157,355.84, 236,067.39 and 50,745.87

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Solution

The fourth proportional to 157,355.84, 236,067.39 and 50,745.87 is: 76,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,355.84 : 236,067.39 = 50,745.87 : x
  2. Step 2: Convert to fraction form
    157,355.84/236,067.39 = 50,745.87/x
  3. Step 3: Cross multiply
    157,355.84x = 236,067.39 × 50,745.87
  4. Step 4: Simplify right side
    157,355.84x = 11,979,445,084.18
  5. Step 5: Solve for x
    x = 11,979,445,084.18/157,355.84
  6. Step 6: Final answer
    x = 76,129.65

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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.