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Finding the Fourth Proportional to 271,648.96, 374,868.66 and 149,140.73

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Solution

The fourth proportional to 271,648.96, 374,868.66 and 149,140.73 is: 205,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,648.96 : 374,868.66 = 149,140.73 : x
  2. Step 2: Convert to fraction form
    271,648.96/374,868.66 = 149,140.73/x
  3. Step 3: Cross multiply
    271,648.96x = 374,868.66 × 149,140.73
  4. Step 4: Simplify right side
    271,648.96x = 55,908,184,155.42
  5. Step 5: Solve for x
    x = 55,908,184,155.42/271,648.96
  6. Step 6: Final answer
    x = 205,810.41

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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.