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Finding the Fourth Proportional to 168,651.52, 232,742.16 and 92,173.86

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Solution

The fourth proportional to 168,651.52, 232,742.16 and 92,173.86 is: 127,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,651.52 : 232,742.16 = 92,173.86 : x
  2. Step 2: Convert to fraction form
    168,651.52/232,742.16 = 92,173.86/x
  3. Step 3: Cross multiply
    168,651.52x = 232,742.16 × 92,173.86
  4. Step 4: Simplify right side
    168,651.52x = 21,452,743,271.94
  5. Step 5: Solve for x
    x = 21,452,743,271.94/168,651.52
  6. Step 6: Final answer
    x = 127,201.60

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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.