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Finding the Fourth Proportional to 266,676.09, 400,014.53 and 108,904.54

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Solution

The fourth proportional to 266,676.09, 400,014.53 and 108,904.54 is: 163,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,676.09 : 400,014.53 = 108,904.54 : x
  2. Step 2: Convert to fraction form
    266,676.09/400,014.53 = 108,904.54/x
  3. Step 3: Cross multiply
    266,676.09x = 400,014.53 × 108,904.54
  4. Step 4: Simplify right side
    266,676.09x = 43,563,398,382.97
  5. Step 5: Solve for x
    x = 43,563,398,382.97/266,676.09
  6. Step 6: Final answer
    x = 163,356.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.