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Finding the Fourth Proportional to 75,133.41, 103,676.93 and 44,912.73

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Solution

The fourth proportional to 75,133.41, 103,676.93 and 44,912.73 is: 61,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.41 : 103,676.93 = 44,912.73 : x
  2. Step 2: Convert to fraction form
    75,133.41/103,676.93 = 44,912.73/x
  3. Step 3: Cross multiply
    75,133.41x = 103,676.93 × 44,912.73
  4. Step 4: Simplify right side
    75,133.41x = 4,656,413,739.76
  5. Step 5: Solve for x
    x = 4,656,413,739.76/75,133.41
  6. Step 6: Final answer
    x = 61,975.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.