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Finding the Fourth Proportional to 168,049, 231,912.48 and 92,602.36

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Solution

The fourth proportional to 168,049, 231,912.48 and 92,602.36 is: 127,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049 : 231,912.48 = 92,602.36 : x
  2. Step 2: Convert to fraction form
    168,049/231,912.48 = 92,602.36/x
  3. Step 3: Cross multiply
    168,049x = 231,912.48 × 92,602.36
  4. Step 4: Simplify right side
    168,049x = 21,475,642,961.45
  5. Step 5: Solve for x
    x = 21,475,642,961.45/168,049
  6. Step 6: Final answer
    x = 127,793.93

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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.