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Finding the Fourth Proportional to 271,858.14, 375,168.86 and 149,355.67

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Solution

The fourth proportional to 271,858.14, 375,168.86 and 149,355.67 is: 206,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,858.14 : 375,168.86 = 149,355.67 : x
  2. Step 2: Convert to fraction form
    271,858.14/375,168.86 = 149,355.67/x
  3. Step 3: Cross multiply
    271,858.14x = 375,168.86 × 149,355.67
  4. Step 4: Simplify right side
    271,858.14x = 56,033,596,448.44
  5. Step 5: Solve for x
    x = 56,033,596,448.44/271,858.14
  6. Step 6: Final answer
    x = 206,113.37

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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.