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Finding the Fourth Proportional to 273,150.20, 409,955.70 and 133,028.60

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Solution

The fourth proportional to 273,150.20, 409,955.70 and 133,028.60 is: 199,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,150.20 : 409,955.70 = 133,028.60 : x
  2. Step 2: Convert to fraction form
    273,150.20/409,955.70 = 133,028.60/x
  3. Step 3: Cross multiply
    273,150.20x = 409,955.70 × 133,028.60
  4. Step 4: Simplify right side
    273,150.20x = 54,535,832,833.02
  5. Step 5: Solve for x
    x = 54,535,832,833.02/273,150.20
  6. Step 6: Final answer
    x = 199,655.11

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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.