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Finding the Fourth Proportional to 271,156.87, 374,195.83 and 148,649.03

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Solution

The fourth proportional to 271,156.87, 374,195.83 and 148,649.03 is: 205,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,156.87 : 374,195.83 = 148,649.03 : x
  2. Step 2: Convert to fraction form
    271,156.87/374,195.83 = 148,649.03/x
  3. Step 3: Cross multiply
    271,156.87x = 374,195.83 × 148,649.03
  4. Step 4: Simplify right side
    271,156.87x = 55,623,847,159.54
  5. Step 5: Solve for x
    x = 55,623,847,159.54/271,156.87
  6. Step 6: Final answer
    x = 205,135.30

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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.