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Finding the Fourth Proportional to 100,546.29, 150,597.99 and 67,109.81

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Solution

The fourth proportional to 100,546.29, 150,597.99 and 67,109.81 is: 100,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,546.29 : 150,597.99 = 67,109.81 : x
  2. Step 2: Convert to fraction form
    100,546.29/150,597.99 = 67,109.81/x
  3. Step 3: Cross multiply
    100,546.29x = 150,597.99 × 67,109.81
  4. Step 4: Simplify right side
    100,546.29x = 10,106,601,742.29
  5. Step 5: Solve for x
    x = 10,106,601,742.29/100,546.29
  6. Step 6: Final answer
    x = 100,516.90

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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.