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Finding the Fourth Proportional to 271,155.87, 374,194.45 and 148,648.03

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Solution

The fourth proportional to 271,155.87, 374,194.45 and 148,648.03 is: 205,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,155.87 : 374,194.45 = 148,648.03 : x
  2. Step 2: Convert to fraction form
    271,155.87/374,194.45 = 148,648.03/x
  3. Step 3: Cross multiply
    271,155.87x = 374,194.45 × 148,648.03
  4. Step 4: Simplify right side
    271,155.87x = 55,623,268,668.80
  5. Step 5: Solve for x
    x = 55,623,268,668.80/271,155.87
  6. Step 6: Final answer
    x = 205,133.93

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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.