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Finding the Fourth Proportional to 183,661.44, 253,422.72 and 108,199.68

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Solution

The fourth proportional to 183,661.44, 253,422.72 and 108,199.68 is: 149,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,661.44 : 253,422.72 = 108,199.68 : x
  2. Step 2: Convert to fraction form
    183,661.44/253,422.72 = 108,199.68/x
  3. Step 3: Cross multiply
    183,661.44x = 253,422.72 × 108,199.68
  4. Step 4: Simplify right side
    183,661.44x = 27,420,257,208.73
  5. Step 5: Solve for x
    x = 27,420,257,208.73/183,661.44
  6. Step 6: Final answer
    x = 149,297.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.