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Finding the Fourth Proportional to 72,184.79, 108,250.18 and 24,786.43

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Solution

The fourth proportional to 72,184.79, 108,250.18 and 24,786.43 is: 37,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184.79 : 108,250.18 = 24,786.43 : x
  2. Step 2: Convert to fraction form
    72,184.79/108,250.18 = 24,786.43/x
  3. Step 3: Cross multiply
    72,184.79x = 108,250.18 × 24,786.43
  4. Step 4: Simplify right side
    72,184.79x = 2,683,135,509.06
  5. Step 5: Solve for x
    x = 2,683,135,509.06/72,184.79
  6. Step 6: Final answer
    x = 37,170.37

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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.