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Finding the Fourth Proportional to 266,995.44, 400,050.90 and 187,722.36

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Solution

The fourth proportional to 266,995.44, 400,050.90 and 187,722.36 is: 281,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,995.44 : 400,050.90 = 187,722.36 : x
  2. Step 2: Convert to fraction form
    266,995.44/400,050.90 = 187,722.36/x
  3. Step 3: Cross multiply
    266,995.44x = 400,050.90 × 187,722.36
  4. Step 4: Simplify right side
    266,995.44x = 75,098,499,068.12
  5. Step 5: Solve for x
    x = 75,098,499,068.12/266,995.44
  6. Step 6: Final answer
    x = 281,272.59

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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.