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Finding the Fourth Proportional to 266,887.56, 400,467.11 and 117,089

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Solution

The fourth proportional to 266,887.56, 400,467.11 and 117,089 is: 175,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,887.56 : 400,467.11 = 117,089 : x
  2. Step 2: Convert to fraction form
    266,887.56/400,467.11 = 117,089/x
  3. Step 3: Cross multiply
    266,887.56x = 400,467.11 × 117,089
  4. Step 4: Simplify right side
    266,887.56x = 46,890,293,442.79
  5. Step 5: Solve for x
    x = 46,890,293,442.79/266,887.56
  6. Step 6: Final answer
    x = 175,693.07

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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.