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Finding the Fourth Proportional to 197,304.40, 295,956.60 and 72,629.20

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Solution

The fourth proportional to 197,304.40, 295,956.60 and 72,629.20 is: 108,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,304.40 : 295,956.60 = 72,629.20 : x
  2. Step 2: Convert to fraction form
    197,304.40/295,956.60 = 72,629.20/x
  3. Step 3: Cross multiply
    197,304.40x = 295,956.60 × 72,629.20
  4. Step 4: Simplify right side
    197,304.40x = 21,495,091,092.72
  5. Step 5: Solve for x
    x = 21,495,091,092.72/197,304.40
  6. Step 6: Final answer
    x = 108,943.80

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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.