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Finding the Fourth Proportional to 197,134.59, 295,912.42 and 84,870.48

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Solution

The fourth proportional to 197,134.59, 295,912.42 and 84,870.48 is: 127,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,134.59 : 295,912.42 = 84,870.48 : x
  2. Step 2: Convert to fraction form
    197,134.59/295,912.42 = 84,870.48/x
  3. Step 3: Cross multiply
    197,134.59x = 295,912.42 × 84,870.48
  4. Step 4: Simplify right side
    197,134.59x = 25,114,230,498.25
  5. Step 5: Solve for x
    x = 25,114,230,498.25/197,134.59
  6. Step 6: Final answer
    x = 127,396.36

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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.