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Finding the Fourth Proportional to 168,231.87, 232,153.54 and 92,780.37

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Solution

The fourth proportional to 168,231.87, 232,153.54 and 92,780.37 is: 128,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,231.87 : 232,153.54 = 92,780.37 : x
  2. Step 2: Convert to fraction form
    168,231.87/232,153.54 = 92,780.37/x
  3. Step 3: Cross multiply
    168,231.87x = 232,153.54 × 92,780.37
  4. Step 4: Simplify right side
    168,231.87x = 21,539,290,874.11
  5. Step 5: Solve for x
    x = 21,539,290,874.11/168,231.87
  6. Step 6: Final answer
    x = 128,033.36

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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.