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Finding the Fourth Proportional to 74,540.51, 111,787.05 and 24,611.31

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Solution

The fourth proportional to 74,540.51, 111,787.05 and 24,611.31 is: 36,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.51 : 111,787.05 = 24,611.31 : x
  2. Step 2: Convert to fraction form
    74,540.51/111,787.05 = 24,611.31/x
  3. Step 3: Cross multiply
    74,540.51x = 111,787.05 × 24,611.31
  4. Step 4: Simplify right side
    74,540.51x = 2,751,225,741.54
  5. Step 5: Solve for x
    x = 2,751,225,741.54/74,540.51
  6. Step 6: Final answer
    x = 36,909.13

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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.