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Finding the Fourth Proportional to 100,606.05, 150,909.08 and 67,363.65

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Solution

The fourth proportional to 100,606.05, 150,909.08 and 67,363.65 is: 101,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,606.05 : 150,909.08 = 67,363.65 : x
  2. Step 2: Convert to fraction form
    100,606.05/150,909.08 = 67,363.65/x
  3. Step 3: Cross multiply
    100,606.05x = 150,909.08 × 67,363.65
  4. Step 4: Simplify right side
    100,606.05x = 10,165,786,110.12
  5. Step 5: Solve for x
    x = 10,165,786,110.12/100,606.05
  6. Step 6: Final answer
    x = 101,045.48

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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.