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Finding the Fourth Proportional to 154,576.80, 213,337.44 and 97,993.44

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Solution

The fourth proportional to 154,576.80, 213,337.44 and 97,993.44 is: 135,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,576.80 : 213,337.44 = 97,993.44 : x
  2. Step 2: Convert to fraction form
    154,576.80/213,337.44 = 97,993.44/x
  3. Step 3: Cross multiply
    154,576.80x = 213,337.44 × 97,993.44
  4. Step 4: Simplify right side
    154,576.80x = 20,905,669,626.39
  5. Step 5: Solve for x
    x = 20,905,669,626.39/154,576.80
  6. Step 6: Final answer
    x = 135,244.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.