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Finding the Fourth Proportional to 112,101.13, 168,122.99 and 33,196.91

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Solution

The fourth proportional to 112,101.13, 168,122.99 and 33,196.91 is: 49,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101.13 : 168,122.99 = 33,196.91 : x
  2. Step 2: Convert to fraction form
    112,101.13/168,122.99 = 33,196.91/x
  3. Step 3: Cross multiply
    112,101.13x = 168,122.99 × 33,196.91
  4. Step 4: Simplify right side
    112,101.13x = 5,581,163,010.34
  5. Step 5: Solve for x
    x = 5,581,163,010.34/112,101.13
  6. Step 6: Final answer
    x = 49,786.86

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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.