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Finding the Fourth Proportional to 187,240.80, 280,861.20 and 174,799.20

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Solution

The fourth proportional to 187,240.80, 280,861.20 and 174,799.20 is: 262,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240.80 : 280,861.20 = 174,799.20 : x
  2. Step 2: Convert to fraction form
    187,240.80/280,861.20 = 174,799.20/x
  3. Step 3: Cross multiply
    187,240.80x = 280,861.20 × 174,799.20
  4. Step 4: Simplify right side
    187,240.80x = 49,094,313,071.04
  5. Step 5: Solve for x
    x = 49,094,313,071.04/187,240.80
  6. Step 6: Final answer
    x = 262,198.80

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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.