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Finding the Fourth Proportional to 271,033.44, 406,922.54 and 138,003.08

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Solution

The fourth proportional to 271,033.44, 406,922.54 and 138,003.08 is: 207,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,033.44 : 406,922.54 = 138,003.08 : x
  2. Step 2: Convert to fraction form
    271,033.44/406,922.54 = 138,003.08/x
  3. Step 3: Cross multiply
    271,033.44x = 406,922.54 × 138,003.08
  4. Step 4: Simplify right side
    271,033.44x = 56,156,563,841.42
  5. Step 5: Solve for x
    x = 56,156,563,841.42/271,033.44
  6. Step 6: Final answer
    x = 207,194.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.