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Finding the Fourth Proportional to 253,177.73, 379,649.72 and 93,213.50

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Solution

The fourth proportional to 253,177.73, 379,649.72 and 93,213.50 is: 139,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,177.73 : 379,649.72 = 93,213.50 : x
  2. Step 2: Convert to fraction form
    253,177.73/379,649.72 = 93,213.50/x
  3. Step 3: Cross multiply
    253,177.73x = 379,649.72 × 93,213.50
  4. Step 4: Simplify right side
    253,177.73x = 35,388,476,810.90
  5. Step 5: Solve for x
    x = 35,388,476,810.90/253,177.73
  6. Step 6: Final answer
    x = 139,777.21

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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.