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Finding the Fourth Proportional to 131,388.95, 196,363.43 and 95,924.94

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Solution

The fourth proportional to 131,388.95, 196,363.43 and 95,924.94 is: 143,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,388.95 : 196,363.43 = 95,924.94 : x
  2. Step 2: Convert to fraction form
    131,388.95/196,363.43 = 95,924.94/x
  3. Step 3: Cross multiply
    131,388.95x = 196,363.43 × 95,924.94
  4. Step 4: Simplify right side
    131,388.95x = 18,836,150,240.94
  5. Step 5: Solve for x
    x = 18,836,150,240.94/131,388.95
  6. Step 6: Final answer
    x = 143,361.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.