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Finding the Fourth Proportional to 269,319.92, 403,990.08 and 100,822.52

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Solution

The fourth proportional to 269,319.92, 403,990.08 and 100,822.52 is: 151,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,319.92 : 403,990.08 = 100,822.52 : x
  2. Step 2: Convert to fraction form
    269,319.92/403,990.08 = 100,822.52/x
  3. Step 3: Cross multiply
    269,319.92x = 403,990.08 × 100,822.52
  4. Step 4: Simplify right side
    269,319.92x = 40,731,297,920.60
  5. Step 5: Solve for x
    x = 40,731,297,920.60/269,319.92
  6. Step 6: Final answer
    x = 151,237.60

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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.