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Finding the Fourth Proportional to 197,116.40, 295,674.60 and 195,042.80

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Solution

The fourth proportional to 197,116.40, 295,674.60 and 195,042.80 is: 292,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,116.40 : 295,674.60 = 195,042.80 : x
  2. Step 2: Convert to fraction form
    197,116.40/295,674.60 = 195,042.80/x
  3. Step 3: Cross multiply
    197,116.40x = 295,674.60 × 195,042.80
  4. Step 4: Simplify right side
    197,116.40x = 57,669,201,872.88
  5. Step 5: Solve for x
    x = 57,669,201,872.88/197,116.40
  6. Step 6: Final answer
    x = 292,564.20

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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.