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Finding the Fourth Proportional to 190,361.84, 285,341.83 and 63,882.17

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Solution

The fourth proportional to 190,361.84, 285,341.83 and 63,882.17 is: 95,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,361.84 : 285,341.83 = 63,882.17 : x
  2. Step 2: Convert to fraction form
    190,361.84/285,341.83 = 63,882.17/x
  3. Step 3: Cross multiply
    190,361.84x = 285,341.83 × 63,882.17
  4. Step 4: Simplify right side
    190,361.84x = 18,228,253,705.76
  5. Step 5: Solve for x
    x = 18,228,253,705.76/190,361.84
  6. Step 6: Final answer
    x = 95,755.82

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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.