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Finding the Fourth Proportional to 267,081.50, 400,682.26 and 89,583.98

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Solution

The fourth proportional to 267,081.50, 400,682.26 and 89,583.98 is: 134,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,081.50 : 400,682.26 = 89,583.98 : x
  2. Step 2: Convert to fraction form
    267,081.50/400,682.26 = 89,583.98/x
  3. Step 3: Cross multiply
    267,081.50x = 400,682.26 × 89,583.98
  4. Step 4: Simplify right side
    267,081.50x = 35,894,709,674.76
  5. Step 5: Solve for x
    x = 35,894,709,674.76/267,081.50
  6. Step 6: Final answer
    x = 134,396.09

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1.5x scale

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.