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Finding the Fourth Proportional to 165,325, 228,147.96 and 89,872.96

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Solution

The fourth proportional to 165,325, 228,147.96 and 89,872.96 is: 124,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,325 : 228,147.96 = 89,872.96 : x
  2. Step 2: Convert to fraction form
    165,325/228,147.96 = 89,872.96/x
  3. Step 3: Cross multiply
    165,325x = 228,147.96 × 89,872.96
  4. Step 4: Simplify right side
    165,325x = 20,504,332,483.16
  5. Step 5: Solve for x
    x = 20,504,332,483.16/165,325
  6. Step 6: Final answer
    x = 124,024.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.