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Finding the Fourth Proportional to 168,189.62, 232,103.50 and 91,708.10

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Solution

The fourth proportional to 168,189.62, 232,103.50 and 91,708.10 is: 126,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,189.62 : 232,103.50 = 91,708.10 : x
  2. Step 2: Convert to fraction form
    168,189.62/232,103.50 = 91,708.10/x
  3. Step 3: Cross multiply
    168,189.62x = 232,103.50 × 91,708.10
  4. Step 4: Simplify right side
    168,189.62x = 21,285,770,988.35
  5. Step 5: Solve for x
    x = 21,285,770,988.35/168,189.62
  6. Step 6: Final answer
    x = 126,558.17

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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.