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Finding the Fourth Proportional to 72,250.56, 108,301.44 and 41,019.84

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Solution

The fourth proportional to 72,250.56, 108,301.44 and 41,019.84 is: 61,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,250.56 : 108,301.44 = 41,019.84 : x
  2. Step 2: Convert to fraction form
    72,250.56/108,301.44 = 41,019.84/x
  3. Step 3: Cross multiply
    72,250.56x = 108,301.44 × 41,019.84
  4. Step 4: Simplify right side
    72,250.56x = 4,442,507,740.57
  5. Step 5: Solve for x
    x = 4,442,507,740.57/72,250.56
  6. Step 6: Final answer
    x = 61,487.52

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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.