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Finding the Fourth Proportional to 167,369.74, 230,855.62 and 106,913.55

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Solution

The fourth proportional to 167,369.74, 230,855.62 and 106,913.55 is: 147,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,369.74 : 230,855.62 = 106,913.55 : x
  2. Step 2: Convert to fraction form
    167,369.74/230,855.62 = 106,913.55/x
  3. Step 3: Cross multiply
    167,369.74x = 230,855.62 × 106,913.55
  4. Step 4: Simplify right side
    167,369.74x = 24,681,592,722.69
  5. Step 5: Solve for x
    x = 24,681,592,722.69/167,369.74
  6. Step 6: Final answer
    x = 147,467.47

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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.