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Finding the Fourth Proportional to 204,891.40, 307,142.70 and 183,896.20

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Solution

The fourth proportional to 204,891.40, 307,142.70 and 183,896.20 is: 275,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,891.40 : 307,142.70 = 183,896.20 : x
  2. Step 2: Convert to fraction form
    204,891.40/307,142.70 = 183,896.20/x
  3. Step 3: Cross multiply
    204,891.40x = 307,142.70 × 183,896.20
  4. Step 4: Simplify right side
    204,891.40x = 56,482,375,387.74
  5. Step 5: Solve for x
    x = 56,482,375,387.74/204,891.40
  6. Step 6: Final answer
    x = 275,669.82

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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.