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Finding the Fourth Proportional to 168,071.58, 231,936.12 and 96,449.94

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Solution

The fourth proportional to 168,071.58, 231,936.12 and 96,449.94 is: 133,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071.58 : 231,936.12 = 96,449.94 : x
  2. Step 2: Convert to fraction form
    168,071.58/231,936.12 = 96,449.94/x
  3. Step 3: Cross multiply
    168,071.58x = 231,936.12 × 96,449.94
  4. Step 4: Simplify right side
    168,071.58x = 22,370,224,857.83
  5. Step 5: Solve for x
    x = 22,370,224,857.83/168,071.58
  6. Step 6: Final answer
    x = 133,099.39

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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.