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Finding the Fourth Proportional to 92,079.99, 126,961.69 and 63,022.37

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Solution

The fourth proportional to 92,079.99, 126,961.69 and 63,022.37 is: 86,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,079.99 : 126,961.69 = 63,022.37 : x
  2. Step 2: Convert to fraction form
    92,079.99/126,961.69 = 63,022.37/x
  3. Step 3: Cross multiply
    92,079.99x = 126,961.69 × 63,022.37
  4. Step 4: Simplify right side
    92,079.99x = 8,001,426,847.67
  5. Step 5: Solve for x
    x = 8,001,426,847.67/92,079.99
  6. Step 6: Final answer
    x = 86,896.48

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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.