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Finding the Fourth Proportional to 197,213.40, 295,601.40 and 108,530.55

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Solution

The fourth proportional to 197,213.40, 295,601.40 and 108,530.55 is: 162,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,213.40 : 295,601.40 = 108,530.55 : x
  2. Step 2: Convert to fraction form
    197,213.40/295,601.40 = 108,530.55/x
  3. Step 3: Cross multiply
    197,213.40x = 295,601.40 × 108,530.55
  4. Step 4: Simplify right side
    197,213.40x = 32,081,782,522.77
  5. Step 5: Solve for x
    x = 32,081,782,522.77/197,213.40
  6. Step 6: Final answer
    x = 162,675.47

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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.