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Finding the Fourth Proportional to 64,544.66, 96,676.79 and 31,194.79

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Solution

The fourth proportional to 64,544.66, 96,676.79 and 31,194.79 is: 46,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,544.66 : 96,676.79 = 31,194.79 : x
  2. Step 2: Convert to fraction form
    64,544.66/96,676.79 = 31,194.79/x
  3. Step 3: Cross multiply
    64,544.66x = 96,676.79 × 31,194.79
  4. Step 4: Simplify right side
    64,544.66x = 3,015,811,764.26
  5. Step 5: Solve for x
    x = 3,015,811,764.26/64,544.66
  6. Step 6: Final answer
    x = 46,724.42

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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.