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Finding the Fourth Proportional to 266,048.87, 399,062.16 and 123,845.27

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Solution

The fourth proportional to 266,048.87, 399,062.16 and 123,845.27 is: 185,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,048.87 : 399,062.16 = 123,845.27 : x
  2. Step 2: Convert to fraction form
    266,048.87/399,062.16 = 123,845.27/x
  3. Step 3: Cross multiply
    266,048.87x = 399,062.16 × 123,845.27
  4. Step 4: Simplify right side
    266,048.87x = 49,421,958,956.67
  5. Step 5: Solve for x
    x = 49,421,958,956.67/266,048.87
  6. Step 6: Final answer
    x = 185,762.71

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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.