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Finding the Fourth Proportional to 188,474.66, 282,711.38 and 76,153.53

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Solution

The fourth proportional to 188,474.66, 282,711.38 and 76,153.53 is: 114,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,474.66 : 282,711.38 = 76,153.53 : x
  2. Step 2: Convert to fraction form
    188,474.66/282,711.38 = 76,153.53/x
  3. Step 3: Cross multiply
    188,474.66x = 282,711.38 × 76,153.53
  4. Step 4: Simplify right side
    188,474.66x = 21,529,469,558.17
  5. Step 5: Solve for x
    x = 21,529,469,558.17/188,474.66
  6. Step 6: Final answer
    x = 114,230.05

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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.