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Finding the Fourth Proportional to 69,225.83, 103,846.48 and 21,847.66

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Solution

The fourth proportional to 69,225.83, 103,846.48 and 21,847.66 is: 32,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,225.83 : 103,846.48 = 21,847.66 : x
  2. Step 2: Convert to fraction form
    69,225.83/103,846.48 = 21,847.66/x
  3. Step 3: Cross multiply
    69,225.83x = 103,846.48 × 21,847.66
  4. Step 4: Simplify right side
    69,225.83x = 2,268,802,273.00
  5. Step 5: Solve for x
    x = 2,268,802,273.00/69,225.83
  6. Step 6: Final answer
    x = 32,773.93

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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.