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Finding the Fourth Proportional to 253,162.89, 379,782.09 and 93,226.52

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Solution

The fourth proportional to 253,162.89, 379,782.09 and 93,226.52 is: 139,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,162.89 : 379,782.09 = 93,226.52 : x
  2. Step 2: Convert to fraction form
    253,162.89/379,782.09 = 93,226.52/x
  3. Step 3: Cross multiply
    253,162.89x = 379,782.09 × 93,226.52
  4. Step 4: Simplify right side
    253,162.89x = 35,405,762,752.54
  5. Step 5: Solve for x
    x = 35,405,762,752.54/253,162.89
  6. Step 6: Final answer
    x = 139,853.68

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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.