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Finding the Fourth Proportional to 196,705.44, 295,139.16 and 70,361.64

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Solution

The fourth proportional to 196,705.44, 295,139.16 and 70,361.64 is: 105,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,705.44 : 295,139.16 = 70,361.64 : x
  2. Step 2: Convert to fraction form
    196,705.44/295,139.16 = 70,361.64/x
  3. Step 3: Cross multiply
    196,705.44x = 295,139.16 × 70,361.64
  4. Step 4: Simplify right side
    196,705.44x = 20,766,475,325.82
  5. Step 5: Solve for x
    x = 20,766,475,325.82/196,705.44
  6. Step 6: Final answer
    x = 105,571.43

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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.