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Finding the Fourth Proportional to 267,371, 401,081.22 and 87,457.44

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Solution

The fourth proportional to 267,371, 401,081.22 and 87,457.44 is: 131,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,371 : 401,081.22 = 87,457.44 : x
  2. Step 2: Convert to fraction form
    267,371/401,081.22 = 87,457.44/x
  3. Step 3: Cross multiply
    267,371x = 401,081.22 × 87,457.44
  4. Step 4: Simplify right side
    267,371x = 35,077,536,733.28
  5. Step 5: Solve for x
    x = 35,077,536,733.28/267,371
  6. Step 6: Final answer
    x = 131,194.25

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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.