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Finding the Fourth Proportional to 197,157.70, 295,627.20 and 84,818.80

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Solution

The fourth proportional to 197,157.70, 295,627.20 and 84,818.80 is: 127,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,157.70 : 295,627.20 = 84,818.80 : x
  2. Step 2: Convert to fraction form
    197,157.70/295,627.20 = 84,818.80/x
  3. Step 3: Cross multiply
    197,157.70x = 295,627.20 × 84,818.80
  4. Step 4: Simplify right side
    197,157.70x = 25,074,744,351.36
  5. Step 5: Solve for x
    x = 25,074,744,351.36/197,157.70
  6. Step 6: Final answer
    x = 127,181.16

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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.