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Finding the Fourth Proportional to 180,672.57, 269,719.92 and 168,665.91

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Solution

The fourth proportional to 180,672.57, 269,719.92 and 168,665.91 is: 251,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,672.57 : 269,719.92 = 168,665.91 : x
  2. Step 2: Convert to fraction form
    180,672.57/269,719.92 = 168,665.91/x
  3. Step 3: Cross multiply
    180,672.57x = 269,719.92 × 168,665.91
  4. Step 4: Simplify right side
    180,672.57x = 45,492,555,751.93
  5. Step 5: Solve for x
    x = 45,492,555,751.93/180,672.57
  6. Step 6: Final answer
    x = 251,795.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.