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Finding the Fourth Proportional to 106,878.89, 160,327.55 and 27,993.09

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Solution

The fourth proportional to 106,878.89, 160,327.55 and 27,993.09 is: 41,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,878.89 : 160,327.55 = 27,993.09 : x
  2. Step 2: Convert to fraction form
    106,878.89/160,327.55 = 27,993.09/x
  3. Step 3: Cross multiply
    106,878.89x = 160,327.55 × 27,993.09
  4. Step 4: Simplify right side
    106,878.89x = 4,488,064,207.84
  5. Step 5: Solve for x
    x = 4,488,064,207.84/106,878.89
  6. Step 6: Final answer
    x = 41,992.05

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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.