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Finding the Fourth Proportional to 268,846.35, 403,269.52 and 111,078.89

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Solution

The fourth proportional to 268,846.35, 403,269.52 and 111,078.89 is: 166,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,846.35 : 403,269.52 = 111,078.89 : x
  2. Step 2: Convert to fraction form
    268,846.35/403,269.52 = 111,078.89/x
  3. Step 3: Cross multiply
    268,846.35x = 403,269.52 × 111,078.89
  4. Step 4: Simplify right side
    268,846.35x = 44,794,730,652.43
  5. Step 5: Solve for x
    x = 44,794,730,652.43/268,846.35
  6. Step 6: Final answer
    x = 166,618.33

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1.5x scale

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.