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Finding the Fourth Proportional to 100,055.94, 150,126.06 and 43,867.08

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Solution

The fourth proportional to 100,055.94, 150,126.06 and 43,867.08 is: 65,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,055.94 : 150,126.06 = 43,867.08 : x
  2. Step 2: Convert to fraction form
    100,055.94/150,126.06 = 43,867.08/x
  3. Step 3: Cross multiply
    100,055.94x = 150,126.06 × 43,867.08
  4. Step 4: Simplify right side
    100,055.94x = 6,585,591,884.10
  5. Step 5: Solve for x
    x = 6,585,591,884.10/100,055.94
  6. Step 6: Final answer
    x = 65,819.10

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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.