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Finding the Fourth Proportional to 271,009.72, 373,962.60 and 150,120.88

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Solution

The fourth proportional to 271,009.72, 373,962.60 and 150,120.88 is: 207,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,009.72 : 373,962.60 = 150,120.88 : x
  2. Step 2: Convert to fraction form
    271,009.72/373,962.60 = 150,120.88/x
  3. Step 3: Cross multiply
    271,009.72x = 373,962.60 × 150,120.88
  4. Step 4: Simplify right side
    271,009.72x = 56,139,594,599.09
  5. Step 5: Solve for x
    x = 56,139,594,599.09/271,009.72
  6. Step 6: Final answer
    x = 207,149.75

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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.