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Finding the Fourth Proportional to 168,615.67, 232,738.11 and 111,296.83

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Solution

The fourth proportional to 168,615.67, 232,738.11 and 111,296.83 is: 153,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,615.67 : 232,738.11 = 111,296.83 : x
  2. Step 2: Convert to fraction form
    168,615.67/232,738.11 = 111,296.83/x
  3. Step 3: Cross multiply
    168,615.67x = 232,738.11 × 111,296.83
  4. Step 4: Simplify right side
    168,615.67x = 25,903,013,863.19
  5. Step 5: Solve for x
    x = 25,903,013,863.19/168,615.67
  6. Step 6: Final answer
    x = 153,621.63

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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.