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Finding the Fourth Proportional to 253,180.65, 379,654.10 and 93,216.41

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Solution

The fourth proportional to 253,180.65, 379,654.10 and 93,216.41 is: 139,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,180.65 : 379,654.10 = 93,216.41 : x
  2. Step 2: Convert to fraction form
    253,180.65/379,654.10 = 93,216.41/x
  3. Step 3: Cross multiply
    253,180.65x = 379,654.10 × 93,216.41
  4. Step 4: Simplify right side
    253,180.65x = 35,389,991,777.70
  5. Step 5: Solve for x
    x = 35,389,991,777.70/253,180.65
  6. Step 6: Final answer
    x = 139,781.58

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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.