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Finding the Fourth Proportional to 110,768.91, 152,847.09 and 63,023.06

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Solution

The fourth proportional to 110,768.91, 152,847.09 and 63,023.06 is: 86,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,768.91 : 152,847.09 = 63,023.06 : x
  2. Step 2: Convert to fraction form
    110,768.91/152,847.09 = 63,023.06/x
  3. Step 3: Cross multiply
    110,768.91x = 152,847.09 × 63,023.06
  4. Step 4: Simplify right side
    110,768.91x = 9,632,890,559.66
  5. Step 5: Solve for x
    x = 9,632,890,559.66/110,768.91
  6. Step 6: Final answer
    x = 86,963.85

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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.