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Finding the Fourth Proportional to 270,181.53, 405,280.48 and 92,685.97

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Solution

The fourth proportional to 270,181.53, 405,280.48 and 92,685.97 is: 139,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,181.53 : 405,280.48 = 92,685.97 : x
  2. Step 2: Convert to fraction form
    270,181.53/405,280.48 = 92,685.97/x
  3. Step 3: Cross multiply
    270,181.53x = 405,280.48 × 92,685.97
  4. Step 4: Simplify right side
    270,181.53x = 37,563,814,410.87
  5. Step 5: Solve for x
    x = 37,563,814,410.87/270,181.53
  6. Step 6: Final answer
    x = 139,031.76

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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.