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Finding the Fourth Proportional to 100,253.96, 150,380.91 and 25,374.49

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Solution

The fourth proportional to 100,253.96, 150,380.91 and 25,374.49 is: 38,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,253.96 : 150,380.91 = 25,374.49 : x
  2. Step 2: Convert to fraction form
    100,253.96/150,380.91 = 25,374.49/x
  3. Step 3: Cross multiply
    100,253.96x = 150,380.91 × 25,374.49
  4. Step 4: Simplify right side
    100,253.96x = 3,815,838,145.08
  5. Step 5: Solve for x
    x = 3,815,838,145.08/100,253.96
  6. Step 6: Final answer
    x = 38,061.72

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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.