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Finding the Fourth Proportional to 271,069.64, 374,078.32 and 150,212.95

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Solution

The fourth proportional to 271,069.64, 374,078.32 and 150,212.95 is: 207,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,069.64 : 374,078.32 = 150,212.95 : x
  2. Step 2: Convert to fraction form
    271,069.64/374,078.32 = 150,212.95/x
  3. Step 3: Cross multiply
    271,069.64x = 374,078.32 × 150,212.95
  4. Step 4: Simplify right side
    271,069.64x = 56,191,407,227.18
  5. Step 5: Solve for x
    x = 56,191,407,227.18/271,069.64
  6. Step 6: Final answer
    x = 207,295.10

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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.