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Finding the Fourth Proportional to 200,138.70, 300,244.43 and 94,956.69

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Solution

The fourth proportional to 200,138.70, 300,244.43 and 94,956.69 is: 142,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,138.70 : 300,244.43 = 94,956.69 : x
  2. Step 2: Convert to fraction form
    200,138.70/300,244.43 = 94,956.69/x
  3. Step 3: Cross multiply
    200,138.70x = 300,244.43 × 94,956.69
  4. Step 4: Simplify right side
    200,138.70x = 28,510,217,263.74
  5. Step 5: Solve for x
    x = 28,510,217,263.74/200,138.70
  6. Step 6: Final answer
    x = 142,452.30

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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.