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Finding the Fourth Proportional to 89,704.40, 134,532.30 and 26,524.40

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Solution

The fourth proportional to 89,704.40, 134,532.30 and 26,524.40 is: 39,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,704.40 : 134,532.30 = 26,524.40 : x
  2. Step 2: Convert to fraction form
    89,704.40/134,532.30 = 26,524.40/x
  3. Step 3: Cross multiply
    89,704.40x = 134,532.30 × 26,524.40
  4. Step 4: Simplify right side
    89,704.40x = 3,568,388,538.12
  5. Step 5: Solve for x
    x = 3,568,388,538.12/89,704.40
  6. Step 6: Final answer
    x = 39,779.41

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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.