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Finding the Fourth Proportional to 271,051.82, 406,348.55 and 170,992.01

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Solution

The fourth proportional to 271,051.82, 406,348.55 and 170,992.01 is: 256,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,051.82 : 406,348.55 = 170,992.01 : x
  2. Step 2: Convert to fraction form
    271,051.82/406,348.55 = 170,992.01/x
  3. Step 3: Cross multiply
    271,051.82x = 406,348.55 × 170,992.01
  4. Step 4: Simplify right side
    271,051.82x = 69,482,356,127.22
  5. Step 5: Solve for x
    x = 69,482,356,127.22/271,051.82
  6. Step 6: Final answer
    x = 256,343.44

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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.