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Finding the Fourth Proportional to 271,067.90, 374,075.90 and 150,211.20

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Solution

The fourth proportional to 271,067.90, 374,075.90 and 150,211.20 is: 207,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,067.90 : 374,075.90 = 150,211.20 : x
  2. Step 2: Convert to fraction form
    271,067.90/374,075.90 = 150,211.20/x
  3. Step 3: Cross multiply
    271,067.90x = 374,075.90 × 150,211.20
  4. Step 4: Simplify right side
    271,067.90x = 56,190,389,830.08
  5. Step 5: Solve for x
    x = 56,190,389,830.08/271,067.90
  6. Step 6: Final answer
    x = 207,292.67

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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.