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Finding the Fourth Proportional to 250,786.58, 346,084.53 and 137,611.22

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Solution

The fourth proportional to 250,786.58, 346,084.53 and 137,611.22 is: 189,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,786.58 : 346,084.53 = 137,611.22 : x
  2. Step 2: Convert to fraction form
    250,786.58/346,084.53 = 137,611.22/x
  3. Step 3: Cross multiply
    250,786.58x = 346,084.53 × 137,611.22
  4. Step 4: Simplify right side
    250,786.58x = 47,625,114,396.43
  5. Step 5: Solve for x
    x = 47,625,114,396.43/250,786.58
  6. Step 6: Final answer
    x = 189,902.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.