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Finding the Fourth Proportional to 248,072.76, 372,111.44 and 79,593.44

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Solution

The fourth proportional to 248,072.76, 372,111.44 and 79,593.44 is: 119,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,072.76 : 372,111.44 = 79,593.44 : x
  2. Step 2: Convert to fraction form
    248,072.76/372,111.44 = 79,593.44/x
  3. Step 3: Cross multiply
    248,072.76x = 372,111.44 × 79,593.44
  4. Step 4: Simplify right side
    248,072.76x = 29,617,627,314.43
  5. Step 5: Solve for x
    x = 29,617,627,314.43/248,072.76
  6. Step 6: Final answer
    x = 119,390.89

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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.