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Finding the Fourth Proportional to 266,051, 399,093.42 and 108,193.16

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Solution

The fourth proportional to 266,051, 399,093.42 and 108,193.16 is: 162,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,051 : 399,093.42 = 108,193.16 : x
  2. Step 2: Convert to fraction form
    266,051/399,093.42 = 108,193.16/x
  3. Step 3: Cross multiply
    266,051x = 399,093.42 × 108,193.16
  4. Step 4: Simplify right side
    266,051x = 43,179,178,245.01
  5. Step 5: Solve for x
    x = 43,179,178,245.01/266,051
  6. Step 6: Final answer
    x = 162,296.62

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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.