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Finding the Fourth Proportional to 171,034.26, 236,102.22 and 130,749.72

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Solution

The fourth proportional to 171,034.26, 236,102.22 and 130,749.72 is: 180,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,034.26 : 236,102.22 = 130,749.72 : x
  2. Step 2: Convert to fraction form
    171,034.26/236,102.22 = 130,749.72/x
  3. Step 3: Cross multiply
    171,034.26x = 236,102.22 × 130,749.72
  4. Step 4: Simplify right side
    171,034.26x = 30,870,299,156.38
  5. Step 5: Solve for x
    x = 30,870,299,156.38/171,034.26
  6. Step 6: Final answer
    x = 180,491.90

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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.