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Finding the Fourth Proportional to 74,790.99, 112,205.01 and 22,200.48

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Solution

The fourth proportional to 74,790.99, 112,205.01 and 22,200.48 is: 33,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.99 : 112,205.01 = 22,200.48 : x
  2. Step 2: Convert to fraction form
    74,790.99/112,205.01 = 22,200.48/x
  3. Step 3: Cross multiply
    74,790.99x = 112,205.01 × 22,200.48
  4. Step 4: Simplify right side
    74,790.99x = 2,491,005,080.40
  5. Step 5: Solve for x
    x = 2,491,005,080.40/74,790.99
  6. Step 6: Final answer
    x = 33,306.22

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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.