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Finding the Fourth Proportional to 271,561.84, 374,745.48 and 150,708.40

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Solution

The fourth proportional to 271,561.84, 374,745.48 and 150,708.40 is: 207,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,561.84 : 374,745.48 = 150,708.40 : x
  2. Step 2: Convert to fraction form
    271,561.84/374,745.48 = 150,708.40/x
  3. Step 3: Cross multiply
    271,561.84x = 374,745.48 × 150,708.40
  4. Step 4: Simplify right side
    271,561.84x = 56,477,291,698.03
  5. Step 5: Solve for x
    x = 56,477,291,698.03/271,561.84
  6. Step 6: Final answer
    x = 207,972.12

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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.