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Finding the Fourth Proportional to 271,818.63, 407,566.44 and 103,351.28

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Solution

The fourth proportional to 271,818.63, 407,566.44 and 103,351.28 is: 154,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,818.63 : 407,566.44 = 103,351.28 : x
  2. Step 2: Convert to fraction form
    271,818.63/407,566.44 = 103,351.28/x
  3. Step 3: Cross multiply
    271,818.63x = 407,566.44 × 103,351.28
  4. Step 4: Simplify right side
    271,818.63x = 42,122,511,221.21
  5. Step 5: Solve for x
    x = 42,122,511,221.21/271,818.63
  6. Step 6: Final answer
    x = 154,965.50

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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.