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Finding the Fourth Proportional to 273,173.70, 409,662.14 and 115,414.46

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Solution

The fourth proportional to 273,173.70, 409,662.14 and 115,414.46 is: 173,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,173.70 : 409,662.14 = 115,414.46 : x
  2. Step 2: Convert to fraction form
    273,173.70/409,662.14 = 115,414.46/x
  3. Step 3: Cross multiply
    273,173.70x = 409,662.14 × 115,414.46
  4. Step 4: Simplify right side
    273,173.70x = 47,280,934,670.54
  5. Step 5: Solve for x
    x = 47,280,934,670.54/273,173.70
  6. Step 6: Final answer
    x = 173,080.11

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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.