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Finding the Fourth Proportional to 61,109.16, 91,701.84 and 27,375.12

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Solution

The fourth proportional to 61,109.16, 91,701.84 and 27,375.12 is: 41,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,109.16 : 91,701.84 = 27,375.12 : x
  2. Step 2: Convert to fraction form
    61,109.16/91,701.84 = 27,375.12/x
  3. Step 3: Cross multiply
    61,109.16x = 91,701.84 × 27,375.12
  4. Step 4: Simplify right side
    61,109.16x = 2,510,348,874.22
  5. Step 5: Solve for x
    x = 2,510,348,874.22/61,109.16
  6. Step 6: Final answer
    x = 41,079.75

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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.