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Finding the Fourth Proportional to 168,193.62, 232,109.02 and 91,712.10

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Solution

The fourth proportional to 168,193.62, 232,109.02 and 91,712.10 is: 126,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,193.62 : 232,109.02 = 91,712.10 : x
  2. Step 2: Convert to fraction form
    168,193.62/232,109.02 = 91,712.10/x
  3. Step 3: Cross multiply
    168,193.62x = 232,109.02 × 91,712.10
  4. Step 4: Simplify right side
    168,193.62x = 21,287,205,653.14
  5. Step 5: Solve for x
    x = 21,287,205,653.14/168,193.62
  6. Step 6: Final answer
    x = 126,563.69

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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.