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Finding the Fourth Proportional to 115,796.75, 173,695.13 and 28,244.75

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Solution

The fourth proportional to 115,796.75, 173,695.13 and 28,244.75 is: 42,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,796.75 : 173,695.13 = 28,244.75 : x
  2. Step 2: Convert to fraction form
    115,796.75/173,695.13 = 28,244.75/x
  3. Step 3: Cross multiply
    115,796.75x = 173,695.13 × 28,244.75
  4. Step 4: Simplify right side
    115,796.75x = 4,905,975,523.07
  5. Step 5: Solve for x
    x = 4,905,975,523.07/115,796.75
  6. Step 6: Final answer
    x = 42,367.13

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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.