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Finding the Fourth Proportional to 100,274.27, 150,411.66 and 25,394.42

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Solution

The fourth proportional to 100,274.27, 150,411.66 and 25,394.42 is: 38,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,274.27 : 150,411.66 = 25,394.42 : x
  2. Step 2: Convert to fraction form
    100,274.27/150,411.66 = 25,394.42/x
  3. Step 3: Cross multiply
    100,274.27x = 150,411.66 × 25,394.42
  4. Step 4: Simplify right side
    100,274.27x = 3,819,616,724.70
  5. Step 5: Solve for x
    x = 3,819,616,724.70/100,274.27
  6. Step 6: Final answer
    x = 38,091.70

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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.