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Finding the Fourth Proportional to 100,154.70, 150,252.21 and 36,975.24

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Solution

The fourth proportional to 100,154.70, 150,252.21 and 36,975.24 is: 55,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,154.70 : 150,252.21 = 36,975.24 : x
  2. Step 2: Convert to fraction form
    100,154.70/150,252.21 = 36,975.24/x
  3. Step 3: Cross multiply
    100,154.70x = 150,252.21 × 36,975.24
  4. Step 4: Simplify right side
    100,154.70x = 5,555,611,525.28
  5. Step 5: Solve for x
    x = 5,555,611,525.28/100,154.70
  6. Step 6: Final answer
    x = 55,470.30

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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.