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Finding the Fourth Proportional to 168,114.64, 231,998.16 and 92,664.40

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Solution

The fourth proportional to 168,114.64, 231,998.16 and 92,664.40 is: 127,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,114.64 : 231,998.16 = 92,664.40 : x
  2. Step 2: Convert to fraction form
    168,114.64/231,998.16 = 92,664.40/x
  3. Step 3: Cross multiply
    168,114.64x = 231,998.16 × 92,664.40
  4. Step 4: Simplify right side
    168,114.64x = 21,497,970,297.50
  5. Step 5: Solve for x
    x = 21,497,970,297.50/168,114.64
  6. Step 6: Final answer
    x = 127,876.85

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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.