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Finding the Fourth Proportional to 74,543.79, 111,806.26 and 24,611.65

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Solution

The fourth proportional to 74,543.79, 111,806.26 and 24,611.65 is: 36,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543.79 : 111,806.26 = 24,611.65 : x
  2. Step 2: Convert to fraction form
    74,543.79/111,806.26 = 24,611.65/x
  3. Step 3: Cross multiply
    74,543.79x = 111,806.26 × 24,611.65
  4. Step 4: Simplify right side
    74,543.79x = 2,751,736,197.88
  5. Step 5: Solve for x
    x = 2,751,736,197.88/74,543.79
  6. Step 6: Final answer
    x = 36,914.36

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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.