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Finding the Fourth Proportional to 197,219.40, 295,610.40 and 108,536.55

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Solution

The fourth proportional to 197,219.40, 295,610.40 and 108,536.55 is: 162,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,219.40 : 295,610.40 = 108,536.55 : x
  2. Step 2: Convert to fraction form
    197,219.40/295,610.40 = 108,536.55/x
  3. Step 3: Cross multiply
    197,219.40x = 295,610.40 × 108,536.55
  4. Step 4: Simplify right side
    197,219.40x = 32,084,532,960.12
  5. Step 5: Solve for x
    x = 32,084,532,960.12/197,219.40
  6. Step 6: Final answer
    x = 162,684.47

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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.