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Finding the Fourth Proportional to 275,516.66, 380,167.89 and 162,324.02

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Solution

The fourth proportional to 275,516.66, 380,167.89 and 162,324.02 is: 223,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,516.66 : 380,167.89 = 162,324.02 : x
  2. Step 2: Convert to fraction form
    275,516.66/380,167.89 = 162,324.02/x
  3. Step 3: Cross multiply
    275,516.66x = 380,167.89 × 162,324.02
  4. Step 4: Simplify right side
    275,516.66x = 61,710,380,179.72
  5. Step 5: Solve for x
    x = 61,710,380,179.72/275,516.66
  6. Step 6: Final answer
    x = 223,980.58

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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.