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Finding the Fourth Proportional to 253,069.94, 379,553.27 and 93,090.89

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Solution

The fourth proportional to 253,069.94, 379,553.27 and 93,090.89 is: 139,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,069.94 : 379,553.27 = 93,090.89 : x
  2. Step 2: Convert to fraction form
    253,069.94/379,553.27 = 93,090.89/x
  3. Step 3: Cross multiply
    253,069.94x = 379,553.27 × 93,090.89
  4. Step 4: Simplify right side
    253,069.94x = 35,332,949,343.49
  5. Step 5: Solve for x
    x = 35,332,949,343.49/253,069.94
  6. Step 6: Final answer
    x = 139,617.33

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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.