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Finding the Fourth Proportional to 100,459.68, 150,584.72 and 33,876.92

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Solution

The fourth proportional to 100,459.68, 150,584.72 and 33,876.92 is: 50,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,459.68 : 150,584.72 = 33,876.92 : x
  2. Step 2: Convert to fraction form
    100,459.68/150,584.72 = 33,876.92/x
  3. Step 3: Cross multiply
    100,459.68x = 150,584.72 × 33,876.92
  4. Step 4: Simplify right side
    100,459.68x = 5,101,345,590.35
  5. Step 5: Solve for x
    x = 5,101,345,590.35/100,459.68
  6. Step 6: Final answer
    x = 50,780.03

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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.