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Finding the Fourth Proportional to 266,369.82, 399,553.29 and 108,597.66

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Solution

The fourth proportional to 266,369.82, 399,553.29 and 108,597.66 is: 162,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,369.82 : 399,553.29 = 108,597.66 : x
  2. Step 2: Convert to fraction form
    266,369.82/399,553.29 = 108,597.66/x
  3. Step 3: Cross multiply
    266,369.82x = 399,553.29 × 108,597.66
  4. Step 4: Simplify right side
    266,369.82x = 43,390,552,339.30
  5. Step 5: Solve for x
    x = 43,390,552,339.30/266,369.82
  6. Step 6: Final answer
    x = 162,895.90

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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.