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Finding the Fourth Proportional to 100,572.39, 150,877.08 and 33,108.30

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Solution

The fourth proportional to 100,572.39, 150,877.08 and 33,108.30 is: 49,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,572.39 : 150,877.08 = 33,108.30 : x
  2. Step 2: Convert to fraction form
    100,572.39/150,877.08 = 33,108.30/x
  3. Step 3: Cross multiply
    100,572.39x = 150,877.08 × 33,108.30
  4. Step 4: Simplify right side
    100,572.39x = 4,995,283,627.76
  5. Step 5: Solve for x
    x = 4,995,283,627.76/100,572.39
  6. Step 6: Final answer
    x = 49,668.54

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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.