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Finding the Fourth Proportional to 227,611.65, 341,454.56 and 85,467.93

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Solution

The fourth proportional to 227,611.65, 341,454.56 and 85,467.93 is: 128,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,611.65 : 341,454.56 = 85,467.93 : x
  2. Step 2: Convert to fraction form
    227,611.65/341,454.56 = 85,467.93/x
  3. Step 3: Cross multiply
    227,611.65x = 341,454.56 × 85,467.93
  4. Step 4: Simplify right side
    227,611.65x = 29,183,412,297.65
  5. Step 5: Solve for x
    x = 29,183,412,297.65/227,611.65
  6. Step 6: Final answer
    x = 128,215.81

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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.