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Finding the Fourth Proportional to 273,137.55, 409,701.46 and 104,612.19

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Solution

The fourth proportional to 273,137.55, 409,701.46 and 104,612.19 is: 156,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,137.55 : 409,701.46 = 104,612.19 : x
  2. Step 2: Convert to fraction form
    273,137.55/409,701.46 = 104,612.19/x
  3. Step 3: Cross multiply
    273,137.55x = 409,701.46 × 104,612.19
  4. Step 4: Simplify right side
    273,137.55x = 42,859,765,375.03
  5. Step 5: Solve for x
    x = 42,859,765,375.03/273,137.55
  6. Step 6: Final answer
    x = 156,916.42

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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.