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Finding the Fourth Proportional to 236,099, 354,217.68 and 76,171.68

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Solution

The fourth proportional to 236,099, 354,217.68 and 76,171.68 is: 114,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,099 : 354,217.68 = 76,171.68 : x
  2. Step 2: Convert to fraction form
    236,099/354,217.68 = 76,171.68/x
  3. Step 3: Cross multiply
    236,099x = 354,217.68 × 76,171.68
  4. Step 4: Simplify right side
    236,099x = 26,981,355,771.30
  5. Step 5: Solve for x
    x = 26,981,355,771.30/236,099
  6. Step 6: Final answer
    x = 114,279.84

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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.