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Finding the Fourth Proportional to 61,111.29, 91,662.84 and 16,738.41

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Solution

The fourth proportional to 61,111.29, 91,662.84 and 16,738.41 is: 25,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111.29 : 91,662.84 = 16,738.41 : x
  2. Step 2: Convert to fraction form
    61,111.29/91,662.84 = 16,738.41/x
  3. Step 3: Cross multiply
    61,111.29x = 91,662.84 × 16,738.41
  4. Step 4: Simplify right side
    61,111.29x = 1,534,290,197.68
  5. Step 5: Solve for x
    x = 1,534,290,197.68/61,111.29
  6. Step 6: Final answer
    x = 25,106.49

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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.