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Finding the Fourth Proportional to 61,166.99, 91,733.83 and 16,783.22

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Solution

The fourth proportional to 61,166.99, 91,733.83 and 16,783.22 is: 25,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.99 : 91,733.83 = 16,783.22 : x
  2. Step 2: Convert to fraction form
    61,166.99/91,733.83 = 16,783.22/x
  3. Step 3: Cross multiply
    61,166.99x = 91,733.83 × 16,783.22
  4. Step 4: Simplify right side
    61,166.99x = 1,539,589,050.33
  5. Step 5: Solve for x
    x = 1,539,589,050.33/61,166.99
  6. Step 6: Final answer
    x = 25,170.26

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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.