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Finding the Fourth Proportional to 115,503.63, 173,324.56 and 49,839.63

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Solution

The fourth proportional to 115,503.63, 173,324.56 and 49,839.63 is: 74,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503.63 : 173,324.56 = 49,839.63 : x
  2. Step 2: Convert to fraction form
    115,503.63/173,324.56 = 49,839.63/x
  3. Step 3: Cross multiply
    115,503.63x = 173,324.56 × 49,839.63
  4. Step 4: Simplify right side
    115,503.63x = 8,638,431,940.31
  5. Step 5: Solve for x
    x = 8,638,431,940.31/115,503.63
  6. Step 6: Final answer
    x = 74,789.27

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1.5x scale

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.