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Finding the Fourth Proportional to 168,457.67, 232,472.07 and 91,977.43

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Solution

The fourth proportional to 168,457.67, 232,472.07 and 91,977.43 is: 126,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,457.67 : 232,472.07 = 91,977.43 : x
  2. Step 2: Convert to fraction form
    168,457.67/232,472.07 = 91,977.43/x
  3. Step 3: Cross multiply
    168,457.67x = 232,472.07 × 91,977.43
  4. Step 4: Simplify right side
    168,457.67x = 21,382,182,964.20
  5. Step 5: Solve for x
    x = 21,382,182,964.20/168,457.67
  6. Step 6: Final answer
    x = 126,929.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.