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Finding the Fourth Proportional to 271,485.62, 374,649.72 and 150,645.32

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Solution

The fourth proportional to 271,485.62, 374,649.72 and 150,645.32 is: 207,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,485.62 : 374,649.72 = 150,645.32 : x
  2. Step 2: Convert to fraction form
    271,485.62/374,649.72 = 150,645.32/x
  3. Step 3: Cross multiply
    271,485.62x = 374,649.72 × 150,645.32
  4. Step 4: Simplify right side
    271,485.62x = 56,439,226,957.31
  5. Step 5: Solve for x
    x = 56,439,226,957.31/271,485.62
  6. Step 6: Final answer
    x = 207,890.30

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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.