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Finding the Fourth Proportional to 237,245.27, 355,872.02 and 87,408.43

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Solution

The fourth proportional to 237,245.27, 355,872.02 and 87,408.43 is: 131,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,245.27 : 355,872.02 = 87,408.43 : x
  2. Step 2: Convert to fraction form
    237,245.27/355,872.02 = 87,408.43/x
  3. Step 3: Cross multiply
    237,245.27x = 355,872.02 × 87,408.43
  4. Step 4: Simplify right side
    237,245.27x = 31,106,213,222.41
  5. Step 5: Solve for x
    x = 31,106,213,222.41/237,245.27
  6. Step 6: Final answer
    x = 131,114.16

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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.