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Finding the Fourth Proportional to 271,642.92, 374,870.50 and 150,786.60

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Solution

The fourth proportional to 271,642.92, 374,870.50 and 150,786.60 is: 208,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,642.92 : 374,870.50 = 150,786.60 : x
  2. Step 2: Convert to fraction form
    271,642.92/374,870.50 = 150,786.60/x
  3. Step 3: Cross multiply
    271,642.92x = 374,870.50 × 150,786.60
  4. Step 4: Simplify right side
    271,642.92x = 56,525,448,135.30
  5. Step 5: Solve for x
    x = 56,525,448,135.30/271,642.92
  6. Step 6: Final answer
    x = 208,087.32

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1.5x scale

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.