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Finding the Fourth Proportional to 112,620.70, 168,881.23 and 33,720.22

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Solution

The fourth proportional to 112,620.70, 168,881.23 and 33,720.22 is: 50,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,620.70 : 168,881.23 = 33,720.22 : x
  2. Step 2: Convert to fraction form
    112,620.70/168,881.23 = 33,720.22/x
  3. Step 3: Cross multiply
    112,620.70x = 168,881.23 × 33,720.22
  4. Step 4: Simplify right side
    112,620.70x = 5,694,712,229.47
  5. Step 5: Solve for x
    x = 5,694,712,229.47/112,620.70
  6. Step 6: Final answer
    x = 50,565.41

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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.