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Finding the Fourth Proportional to 89,704.67, 134,500.50 and 47,558.14

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Solution

The fourth proportional to 89,704.67, 134,500.50 and 47,558.14 is: 71,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,704.67 : 134,500.50 = 47,558.14 : x
  2. Step 2: Convert to fraction form
    89,704.67/134,500.50 = 47,558.14/x
  3. Step 3: Cross multiply
    89,704.67x = 134,500.50 × 47,558.14
  4. Step 4: Simplify right side
    89,704.67x = 6,396,593,272.82
  5. Step 5: Solve for x
    x = 6,396,593,272.82/89,704.67
  6. Step 6: Final answer
    x = 71,307.25

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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.