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Finding the Fourth Proportional to 188,571.17, 282,796.70 and 62,187.78

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Solution

The fourth proportional to 188,571.17, 282,796.70 and 62,187.78 is: 93,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,571.17 : 282,796.70 = 62,187.78 : x
  2. Step 2: Convert to fraction form
    188,571.17/282,796.70 = 62,187.78/x
  3. Step 3: Cross multiply
    188,571.17x = 282,796.70 × 62,187.78
  4. Step 4: Simplify right side
    188,571.17x = 17,586,498,653.39
  5. Step 5: Solve for x
    x = 17,586,498,653.39/188,571.17
  6. Step 6: Final answer
    x = 93,261.87

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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.