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Finding the Fourth Proportional to 100,816.98, 151,119.97 and 37,611.67

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Solution

The fourth proportional to 100,816.98, 151,119.97 and 37,611.67 is: 56,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,816.98 : 151,119.97 = 37,611.67 : x
  2. Step 2: Convert to fraction form
    100,816.98/151,119.97 = 37,611.67/x
  3. Step 3: Cross multiply
    100,816.98x = 151,119.97 × 37,611.67
  4. Step 4: Simplify right side
    100,816.98x = 5,683,874,442.05
  5. Step 5: Solve for x
    x = 5,683,874,442.05/100,816.98
  6. Step 6: Final answer
    x = 56,378.15

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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.