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Finding the Fourth Proportional to 115,959.30, 173,837.70 and 44,930.40

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Solution

The fourth proportional to 115,959.30, 173,837.70 and 44,930.40 is: 67,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,959.30 : 173,837.70 = 44,930.40 : x
  2. Step 2: Convert to fraction form
    115,959.30/173,837.70 = 44,930.40/x
  3. Step 3: Cross multiply
    115,959.30x = 173,837.70 × 44,930.40
  4. Step 4: Simplify right side
    115,959.30x = 7,810,597,396.08
  5. Step 5: Solve for x
    x = 7,810,597,396.08/115,959.30
  6. Step 6: Final answer
    x = 67,356.37

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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.