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Finding the Fourth Proportional to 174,913.70, 262,369.67 and 68,308.47

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Solution

The fourth proportional to 174,913.70, 262,369.67 and 68,308.47 is: 102,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,913.70 : 262,369.67 = 68,308.47 : x
  2. Step 2: Convert to fraction form
    174,913.70/262,369.67 = 68,308.47/x
  3. Step 3: Cross multiply
    174,913.70x = 262,369.67 × 68,308.47
  4. Step 4: Simplify right side
    174,913.70x = 17,922,070,902.88
  5. Step 5: Solve for x
    x = 17,922,070,902.88/174,913.70
  6. Step 6: Final answer
    x = 102,462.37

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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.