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Finding the Fourth Proportional to 203,036.20, 303,971.10 and 124,304.20

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Solution

The fourth proportional to 203,036.20, 303,971.10 and 124,304.20 is: 186,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,036.20 : 303,971.10 = 124,304.20 : x
  2. Step 2: Convert to fraction form
    203,036.20/303,971.10 = 124,304.20/x
  3. Step 3: Cross multiply
    203,036.20x = 303,971.10 × 124,304.20
  4. Step 4: Simplify right side
    203,036.20x = 37,784,884,408.62
  5. Step 5: Solve for x
    x = 37,784,884,408.62/203,036.20
  6. Step 6: Final answer
    x = 186,099.25

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1.5x scale

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.