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Finding the Fourth Proportional to 187,227.40, 280,841.10 and 183,728.20

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Solution

The fourth proportional to 187,227.40, 280,841.10 and 183,728.20 is: 275,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,227.40 : 280,841.10 = 183,728.20 : x
  2. Step 2: Convert to fraction form
    187,227.40/280,841.10 = 183,728.20/x
  3. Step 3: Cross multiply
    187,227.40x = 280,841.10 × 183,728.20
  4. Step 4: Simplify right side
    187,227.40x = 51,598,429,789.02
  5. Step 5: Solve for x
    x = 51,598,429,789.02/187,227.40
  6. Step 6: Final answer
    x = 275,592.30

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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.