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Finding the Fourth Proportional to 197,458.40, 295,847.40 and 92,061.20

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Solution

The fourth proportional to 197,458.40, 295,847.40 and 92,061.20 is: 137,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,458.40 : 295,847.40 = 92,061.20 : x
  2. Step 2: Convert to fraction form
    197,458.40/295,847.40 = 92,061.20/x
  3. Step 3: Cross multiply
    197,458.40x = 295,847.40 × 92,061.20
  4. Step 4: Simplify right side
    197,458.40x = 27,236,066,660.88
  5. Step 5: Solve for x
    x = 27,236,066,660.88/197,458.40
  6. Step 6: Final answer
    x = 137,933.19

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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.