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Finding the Fourth Proportional to 86,004.72, 118,690.44 and 47,764.44

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Solution

The fourth proportional to 86,004.72, 118,690.44 and 47,764.44 is: 65,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.72 : 118,690.44 = 47,764.44 : x
  2. Step 2: Convert to fraction form
    86,004.72/118,690.44 = 47,764.44/x
  3. Step 3: Cross multiply
    86,004.72x = 118,690.44 × 47,764.44
  4. Step 4: Simplify right side
    86,004.72x = 5,669,182,399.95
  5. Step 5: Solve for x
    x = 5,669,182,399.95/86,004.72
  6. Step 6: Final answer
    x = 65,917.11

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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.