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Finding the Fourth Proportional to 203,062.28, 304,366.86 and 84,694.28

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Solution

The fourth proportional to 203,062.28, 304,366.86 and 84,694.28 is: 126,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,062.28 : 304,366.86 = 84,694.28 : x
  2. Step 2: Convert to fraction form
    203,062.28/304,366.86 = 84,694.28/x
  3. Step 3: Cross multiply
    203,062.28x = 304,366.86 × 84,694.28
  4. Step 4: Simplify right side
    203,062.28x = 25,778,132,063.56
  5. Step 5: Solve for x
    x = 25,778,132,063.56/203,062.28
  6. Step 6: Final answer
    x = 126,946.93

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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.