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Finding the Fourth Proportional to 271,723.60, 407,596.45 and 69,324.96

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Solution

The fourth proportional to 271,723.60, 407,596.45 and 69,324.96 is: 103,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,723.60 : 407,596.45 = 69,324.96 : x
  2. Step 2: Convert to fraction form
    271,723.60/407,596.45 = 69,324.96/x
  3. Step 3: Cross multiply
    271,723.60x = 407,596.45 × 69,324.96
  4. Step 4: Simplify right side
    271,723.60x = 28,256,607,592.39
  5. Step 5: Solve for x
    x = 28,256,607,592.39/271,723.60
  6. Step 6: Final answer
    x = 103,990.26

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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.