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Finding the Fourth Proportional to 120,893.07, 181,361.49 and 39,844.41

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Solution

The fourth proportional to 120,893.07, 181,361.49 and 39,844.41 is: 59,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,893.07 : 181,361.49 = 39,844.41 : x
  2. Step 2: Convert to fraction form
    120,893.07/181,361.49 = 39,844.41/x
  3. Step 3: Cross multiply
    120,893.07x = 181,361.49 × 39,844.41
  4. Step 4: Simplify right side
    120,893.07x = 7,226,241,565.77
  5. Step 5: Solve for x
    x = 7,226,241,565.77/120,893.07
  6. Step 6: Final answer
    x = 59,773.83

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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.