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Finding the Fourth Proportional to 269,104.67, 403,729.87 and 100,642.10

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Solution

The fourth proportional to 269,104.67, 403,729.87 and 100,642.10 is: 150,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,104.67 : 403,729.87 = 100,642.10 : x
  2. Step 2: Convert to fraction form
    269,104.67/403,729.87 = 100,642.10/x
  3. Step 3: Cross multiply
    269,104.67x = 403,729.87 × 100,642.10
  4. Step 4: Simplify right side
    269,104.67x = 40,632,221,949.53
  5. Step 5: Solve for x
    x = 40,632,221,949.53/269,104.67
  6. Step 6: Final answer
    x = 150,990.40

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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.