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Finding the Fourth Proportional to 163,576.78, 225,720.40 and 95,609.68

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Solution

The fourth proportional to 163,576.78, 225,720.40 and 95,609.68 is: 131,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,576.78 : 225,720.40 = 95,609.68 : x
  2. Step 2: Convert to fraction form
    163,576.78/225,720.40 = 95,609.68/x
  3. Step 3: Cross multiply
    163,576.78x = 225,720.40 × 95,609.68
  4. Step 4: Simplify right side
    163,576.78x = 21,581,053,606.82
  5. Step 5: Solve for x
    x = 21,581,053,606.82/163,576.78
  6. Step 6: Final answer
    x = 131,932.26

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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.