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Finding the Fourth Proportional to 108,650.17, 162,934.29 and 45,474.67

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Solution

The fourth proportional to 108,650.17, 162,934.29 and 45,474.67 is: 68,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,650.17 : 162,934.29 = 45,474.67 : x
  2. Step 2: Convert to fraction form
    108,650.17/162,934.29 = 45,474.67/x
  3. Step 3: Cross multiply
    108,650.17x = 162,934.29 × 45,474.67
  4. Step 4: Simplify right side
    108,650.17x = 7,409,383,069.43
  5. Step 5: Solve for x
    x = 7,409,383,069.43/108,650.17
  6. Step 6: Final answer
    x = 68,194.86

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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.