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Finding the Fourth Proportional to 79,224.52, 118,836.98 and 20,060.20

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Solution

The fourth proportional to 79,224.52, 118,836.98 and 20,060.20 is: 30,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.52 : 118,836.98 = 20,060.20 : x
  2. Step 2: Convert to fraction form
    79,224.52/118,836.98 = 20,060.20/x
  3. Step 3: Cross multiply
    79,224.52x = 118,836.98 × 20,060.20
  4. Step 4: Simplify right side
    79,224.52x = 2,383,892,891.71
  5. Step 5: Solve for x
    x = 2,383,892,891.71/79,224.52
  6. Step 6: Final answer
    x = 30,090.34

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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.