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Finding the Fourth Proportional to 110,771.11, 152,862.16 and 63,023.44

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Solution

The fourth proportional to 110,771.11, 152,862.16 and 63,023.44 is: 86,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,771.11 : 152,862.16 = 63,023.44 : x
  2. Step 2: Convert to fraction form
    110,771.11/152,862.16 = 63,023.44/x
  3. Step 3: Cross multiply
    110,771.11x = 152,862.16 × 63,023.44
  4. Step 4: Simplify right side
    110,771.11x = 9,633,899,169.03
  5. Step 5: Solve for x
    x = 9,633,899,169.03/110,771.11
  6. Step 6: Final answer
    x = 86,971.23

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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.