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Finding the Fourth Proportional to 166,955.72, 250,457.00 and 54,644.76

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Solution

The fourth proportional to 166,955.72, 250,457.00 and 54,644.76 is: 81,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,955.72 : 250,457.00 = 54,644.76 : x
  2. Step 2: Convert to fraction form
    166,955.72/250,457.00 = 54,644.76/x
  3. Step 3: Cross multiply
    166,955.72x = 250,457.00 × 54,644.76
  4. Step 4: Simplify right side
    166,955.72x = 13,686,162,382.10
  5. Step 5: Solve for x
    x = 13,686,162,382.10/166,955.72
  6. Step 6: Final answer
    x = 81,974.81

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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.