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Finding the Fourth Proportional to 237,410.58, 356,200.11 and 79,638.78

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Solution

The fourth proportional to 237,410.58, 356,200.11 and 79,638.78 is: 119,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,410.58 : 356,200.11 = 79,638.78 : x
  2. Step 2: Convert to fraction form
    237,410.58/356,200.11 = 79,638.78/x
  3. Step 3: Cross multiply
    237,410.58x = 356,200.11 × 79,638.78
  4. Step 4: Simplify right side
    237,410.58x = 28,367,342,196.27
  5. Step 5: Solve for x
    x = 28,367,342,196.27/237,410.58
  6. Step 6: Final answer
    x = 119,486.43

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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.