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Finding the Fourth Proportional to 100,627.11, 150,941.07 and 30,507.03

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Solution

The fourth proportional to 100,627.11, 150,941.07 and 30,507.03 is: 45,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,627.11 : 150,941.07 = 30,507.03 : x
  2. Step 2: Convert to fraction form
    100,627.11/150,941.07 = 30,507.03/x
  3. Step 3: Cross multiply
    100,627.11x = 150,941.07 × 30,507.03
  4. Step 4: Simplify right side
    100,627.11x = 4,604,763,750.72
  5. Step 5: Solve for x
    x = 4,604,763,750.72/100,627.11
  6. Step 6: Final answer
    x = 45,760.67

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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.