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Finding the Fourth Proportional to 197,165.20, 295,747.80 and 137,030.80

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Solution

The fourth proportional to 197,165.20, 295,747.80 and 137,030.80 is: 205,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,165.20 : 295,747.80 = 137,030.80 : x
  2. Step 2: Convert to fraction form
    197,165.20/295,747.80 = 137,030.80/x
  3. Step 3: Cross multiply
    197,165.20x = 295,747.80 × 137,030.80
  4. Step 4: Simplify right side
    197,165.20x = 40,526,557,632.24
  5. Step 5: Solve for x
    x = 40,526,557,632.24/197,165.20
  6. Step 6: Final answer
    x = 205,546.20

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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.