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Finding the Fourth Proportional to 146,057.44, 219,115.72 and 61,817.44

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Solution

The fourth proportional to 146,057.44, 219,115.72 and 61,817.44 is: 92,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,057.44 : 219,115.72 = 61,817.44 : x
  2. Step 2: Convert to fraction form
    146,057.44/219,115.72 = 61,817.44/x
  3. Step 3: Cross multiply
    146,057.44x = 219,115.72 × 61,817.44
  4. Step 4: Simplify right side
    146,057.44x = 13,545,172,874.16
  5. Step 5: Solve for x
    x = 13,545,172,874.16/146,057.44
  6. Step 6: Final answer
    x = 92,738.67

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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.