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Finding the Fourth Proportional to 180,790.86, 271,189.11 and 68,440.92

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Solution

The fourth proportional to 180,790.86, 271,189.11 and 68,440.92 is: 102,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,790.86 : 271,189.11 = 68,440.92 : x
  2. Step 2: Convert to fraction form
    180,790.86/271,189.11 = 68,440.92/x
  3. Step 3: Cross multiply
    180,790.86x = 271,189.11 × 68,440.92
  4. Step 4: Simplify right side
    180,790.86x = 18,560,432,182.38
  5. Step 5: Solve for x
    x = 18,560,432,182.38/180,790.86
  6. Step 6: Final answer
    x = 102,662.45

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1.5x scale

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.