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Finding the Fourth Proportional to 271,019.02, 406,524.84 and 84,030.52

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Solution

The fourth proportional to 271,019.02, 406,524.84 and 84,030.52 is: 126,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,019.02 : 406,524.84 = 84,030.52 : x
  2. Step 2: Convert to fraction form
    271,019.02/406,524.84 = 84,030.52/x
  3. Step 3: Cross multiply
    271,019.02x = 406,524.84 × 84,030.52
  4. Step 4: Simplify right side
    271,019.02x = 34,160,493,698.12
  5. Step 5: Solve for x
    x = 34,160,493,698.12/271,019.02
  6. Step 6: Final answer
    x = 126,044.64

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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.