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Finding the Fourth Proportional to 266,394.92, 399,592.38 and 108,635.68

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Solution

The fourth proportional to 266,394.92, 399,592.38 and 108,635.68 is: 162,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,394.92 : 399,592.38 = 108,635.68 : x
  2. Step 2: Convert to fraction form
    266,394.92/399,592.38 = 108,635.68/x
  3. Step 3: Cross multiply
    266,394.92x = 399,592.38 × 108,635.68
  4. Step 4: Simplify right side
    266,394.92x = 43,409,987,926.16
  5. Step 5: Solve for x
    x = 43,409,987,926.16/266,394.92
  6. Step 6: Final answer
    x = 162,953.51

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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.