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Finding the Fourth Proportional to 100,604.16, 150,889.50 and 30,466.80

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Solution

The fourth proportional to 100,604.16, 150,889.50 and 30,466.80 is: 45,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,604.16 : 150,889.50 = 30,466.80 : x
  2. Step 2: Convert to fraction form
    100,604.16/150,889.50 = 30,466.80/x
  3. Step 3: Cross multiply
    100,604.16x = 150,889.50 × 30,466.80
  4. Step 4: Simplify right side
    100,604.16x = 4,597,120,218.60
  5. Step 5: Solve for x
    x = 4,597,120,218.60/100,604.16
  6. Step 6: Final answer
    x = 45,695.13

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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.