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Finding the Fourth Proportional to 251,850.34, 377,684.77 and 83,339.56

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Solution

The fourth proportional to 251,850.34, 377,684.77 and 83,339.56 is: 124,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,850.34 : 377,684.77 = 83,339.56 : x
  2. Step 2: Convert to fraction form
    251,850.34/377,684.77 = 83,339.56/x
  3. Step 3: Cross multiply
    251,850.34x = 377,684.77 × 83,339.56
  4. Step 4: Simplify right side
    251,850.34x = 31,476,082,550.50
  5. Step 5: Solve for x
    x = 31,476,082,550.50/251,850.34
  6. Step 6: Final answer
    x = 124,979.31

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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.