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Finding the Fourth Proportional to 111,696.48, 167,408.16 and 52,452.96

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Solution

The fourth proportional to 111,696.48, 167,408.16 and 52,452.96 is: 78,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,696.48 : 167,408.16 = 52,452.96 : x
  2. Step 2: Convert to fraction form
    111,696.48/167,408.16 = 52,452.96/x
  3. Step 3: Cross multiply
    111,696.48x = 167,408.16 × 52,452.96
  4. Step 4: Simplify right side
    111,696.48x = 8,781,053,520.15
  5. Step 5: Solve for x
    x = 8,781,053,520.15/111,696.48
  6. Step 6: Final answer
    x = 78,615.31

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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.