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Finding the Fourth Proportional to 168,052.30, 231,911.02 and 92,600.80

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Solution

The fourth proportional to 168,052.30, 231,911.02 and 92,600.80 is: 127,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,052.30 : 231,911.02 = 92,600.80 : x
  2. Step 2: Convert to fraction form
    168,052.30/231,911.02 = 92,600.80/x
  3. Step 3: Cross multiply
    168,052.30x = 231,911.02 × 92,600.80
  4. Step 4: Simplify right side
    168,052.30x = 21,475,145,980.82
  5. Step 5: Solve for x
    x = 21,475,145,980.82/168,052.30
  6. Step 6: Final answer
    x = 127,788.47

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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.