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Finding the Fourth Proportional to 197,019.80, 295,615.58 and 69,027.91

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Solution

The fourth proportional to 197,019.80, 295,615.58 and 69,027.91 is: 103,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,019.80 : 295,615.58 = 69,027.91 : x
  2. Step 2: Convert to fraction form
    197,019.80/295,615.58 = 69,027.91/x
  3. Step 3: Cross multiply
    197,019.80x = 295,615.58 × 69,027.91
  4. Step 4: Simplify right side
    197,019.80x = 20,405,723,827.62
  5. Step 5: Solve for x
    x = 20,405,723,827.62/197,019.80
  6. Step 6: Final answer
    x = 103,571.94

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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.