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Finding the Fourth Proportional to 180,672.78, 271,034.05 and 60,739.04

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Solution

The fourth proportional to 180,672.78, 271,034.05 and 60,739.04 is: 91,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,672.78 : 271,034.05 = 60,739.04 : x
  2. Step 2: Convert to fraction form
    180,672.78/271,034.05 = 60,739.04/x
  3. Step 3: Cross multiply
    180,672.78x = 271,034.05 × 60,739.04
  4. Step 4: Simplify right side
    180,672.78x = 16,462,348,004.31
  5. Step 5: Solve for x
    x = 16,462,348,004.31/180,672.78
  6. Step 6: Final answer
    x = 91,116.92

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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.