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Finding the Fourth Proportional to 89,540.70, 134,311.05 and 27,203.10

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Solution

The fourth proportional to 89,540.70, 134,311.05 and 27,203.10 is: 40,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540.70 : 134,311.05 = 27,203.10 : x
  2. Step 2: Convert to fraction form
    89,540.70/134,311.05 = 27,203.10/x
  3. Step 3: Cross multiply
    89,540.70x = 134,311.05 × 27,203.10
  4. Step 4: Simplify right side
    89,540.70x = 3,653,676,924.26
  5. Step 5: Solve for x
    x = 3,653,676,924.26/89,540.70
  6. Step 6: Final answer
    x = 40,804.65

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Similar ratio
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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.