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Finding the Fourth Proportional to 80,151.08, 120,237.54 and 33,393

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Solution

The fourth proportional to 80,151.08, 120,237.54 and 33,393 is: 50,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,151.08 : 120,237.54 = 33,393 : x
  2. Step 2: Convert to fraction form
    80,151.08/120,237.54 = 33,393/x
  3. Step 3: Cross multiply
    80,151.08x = 120,237.54 × 33,393
  4. Step 4: Simplify right side
    80,151.08x = 4,015,092,173.22
  5. Step 5: Solve for x
    x = 4,015,092,173.22/80,151.08
  6. Step 6: Final answer
    x = 50,094.05

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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.