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Finding the Fourth Proportional to 168,045.96, 231,901.30 and 91,568.32

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Solution

The fourth proportional to 168,045.96, 231,901.30 and 91,568.32 is: 126,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045.96 : 231,901.30 = 91,568.32 : x
  2. Step 2: Convert to fraction form
    168,045.96/231,901.30 = 91,568.32/x
  3. Step 3: Cross multiply
    168,045.96x = 231,901.30 × 91,568.32
  4. Step 4: Simplify right side
    168,045.96x = 21,234,812,446.82
  5. Step 5: Solve for x
    x = 21,234,812,446.82/168,045.96
  6. Step 6: Final answer
    x = 126,363.12

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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.