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Finding the Fourth Proportional to 100,363.34, 150,545.07 and 25,489.10

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Solution

The fourth proportional to 100,363.34, 150,545.07 and 25,489.10 is: 38,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,363.34 : 150,545.07 = 25,489.10 : x
  2. Step 2: Convert to fraction form
    100,363.34/150,545.07 = 25,489.10/x
  3. Step 3: Cross multiply
    100,363.34x = 150,545.07 × 25,489.10
  4. Step 4: Simplify right side
    100,363.34x = 3,837,257,591.01
  5. Step 5: Solve for x
    x = 3,837,257,591.01/100,363.34
  6. Step 6: Final answer
    x = 38,233.66

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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.