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Finding the Fourth Proportional to 187,046.90, 280,571.43 and 62,387.54

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Solution

The fourth proportional to 187,046.90, 280,571.43 and 62,387.54 is: 93,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,046.90 : 280,571.43 = 62,387.54 : x
  2. Step 2: Convert to fraction form
    187,046.90/280,571.43 = 62,387.54/x
  3. Step 3: Cross multiply
    187,046.90x = 280,571.43 × 62,387.54
  4. Step 4: Simplify right side
    187,046.90x = 17,504,161,311.98
  5. Step 5: Solve for x
    x = 17,504,161,311.98/187,046.90
  6. Step 6: Final answer
    x = 93,581.67

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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.