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Finding the Fourth Proportional to 61,173.44, 91,749.19 and 16,794.35

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Solution

The fourth proportional to 61,173.44, 91,749.19 and 16,794.35 is: 25,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173.44 : 91,749.19 = 16,794.35 : x
  2. Step 2: Convert to fraction form
    61,173.44/91,749.19 = 16,794.35/x
  3. Step 3: Cross multiply
    61,173.44x = 91,749.19 × 16,794.35
  4. Step 4: Simplify right side
    61,173.44x = 1,540,868,009.08
  5. Step 5: Solve for x
    x = 1,540,868,009.08/61,173.44
  6. Step 6: Final answer
    x = 25,188.51

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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.