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Finding the Fourth Proportional to 271,247.86, 406,825.35 and 71,570.31

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Solution

The fourth proportional to 271,247.86, 406,825.35 and 71,570.31 is: 107,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,247.86 : 406,825.35 = 71,570.31 : x
  2. Step 2: Convert to fraction form
    271,247.86/406,825.35 = 71,570.31/x
  3. Step 3: Cross multiply
    271,247.86x = 406,825.35 × 71,570.31
  4. Step 4: Simplify right side
    271,247.86x = 29,116,616,415.36
  5. Step 5: Solve for x
    x = 29,116,616,415.36/271,247.86
  6. Step 6: Final answer
    x = 107,343.21

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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.