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Finding the Fourth Proportional to 273,186.56, 409,765.04 and 104,787.60

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Solution

The fourth proportional to 273,186.56, 409,765.04 and 104,787.60 is: 157,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,186.56 : 409,765.04 = 104,787.60 : x
  2. Step 2: Convert to fraction form
    273,186.56/409,765.04 = 104,787.60/x
  3. Step 3: Cross multiply
    273,186.56x = 409,765.04 × 104,787.60
  4. Step 4: Simplify right side
    273,186.56x = 42,938,295,105.50
  5. Step 5: Solve for x
    x = 42,938,295,105.50/273,186.56
  6. Step 6: Final answer
    x = 157,175.72

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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.