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Finding the Fourth Proportional to 187,405.41, 280,845.67 and 98,525.73

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Solution

The fourth proportional to 187,405.41, 280,845.67 and 98,525.73 is: 147,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,405.41 : 280,845.67 = 98,525.73 : x
  2. Step 2: Convert to fraction form
    187,405.41/280,845.67 = 98,525.73/x
  3. Step 3: Cross multiply
    187,405.41x = 280,845.67 × 98,525.73
  4. Step 4: Simplify right side
    187,405.41x = 27,670,524,654.09
  5. Step 5: Solve for x
    x = 27,670,524,654.09/187,405.41
  6. Step 6: Final answer
    x = 147,650.62

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1.5x scale

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.