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Finding the Fourth Proportional to 203,033.20, 303,966.60 and 124,301.20

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Solution

The fourth proportional to 203,033.20, 303,966.60 and 124,301.20 is: 186,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,033.20 : 303,966.60 = 124,301.20 : x
  2. Step 2: Convert to fraction form
    203,033.20/303,966.60 = 124,301.20/x
  3. Step 3: Cross multiply
    203,033.20x = 303,966.60 × 124,301.20
  4. Step 4: Simplify right side
    203,033.20x = 37,783,413,139.92
  5. Step 5: Solve for x
    x = 37,783,413,139.92/203,033.20
  6. Step 6: Final answer
    x = 186,094.75

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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.