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Finding the Fourth Proportional to 113,958, 170,944.20 and 43,837.20

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Solution

The fourth proportional to 113,958, 170,944.20 and 43,837.20 is: 65,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,958 : 170,944.20 = 43,837.20 : x
  2. Step 2: Convert to fraction form
    113,958/170,944.20 = 43,837.20/x
  3. Step 3: Cross multiply
    113,958x = 170,944.20 × 43,837.20
  4. Step 4: Simplify right side
    113,958x = 7,493,715,084.24
  5. Step 5: Solve for x
    x = 7,493,715,084.24/113,958
  6. Step 6: Final answer
    x = 65,758.57

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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.