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Finding the Fourth Proportional to 103,731.70, 155,674.35 and 41,446.90

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Solution

The fourth proportional to 103,731.70, 155,674.35 and 41,446.90 is: 62,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,731.70 : 155,674.35 = 41,446.90 : x
  2. Step 2: Convert to fraction form
    103,731.70/155,674.35 = 41,446.90/x
  3. Step 3: Cross multiply
    103,731.70x = 155,674.35 × 41,446.90
  4. Step 4: Simplify right side
    103,731.70x = 6,452,219,217.02
  5. Step 5: Solve for x
    x = 6,452,219,217.02/103,731.70
  6. Step 6: Final answer
    x = 62,201.04

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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.