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Finding the Fourth Proportional to 252,493.92, 379,245.30 and 157,892.40

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Solution

The fourth proportional to 252,493.92, 379,245.30 and 157,892.40 is: 237,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,493.92 : 379,245.30 = 157,892.40 : x
  2. Step 2: Convert to fraction form
    252,493.92/379,245.30 = 157,892.40/x
  3. Step 3: Cross multiply
    252,493.92x = 379,245.30 × 157,892.40
  4. Step 4: Simplify right side
    252,493.92x = 59,879,950,605.72
  5. Step 5: Solve for x
    x = 59,879,950,605.72/252,493.92
  6. Step 6: Final answer
    x = 237,154.03

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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.