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Finding the Fourth Proportional to 100,041.94, 150,105.03 and 43,853.05

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Solution

The fourth proportional to 100,041.94, 150,105.03 and 43,853.05 is: 65,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,041.94 : 150,105.03 = 43,853.05 : x
  2. Step 2: Convert to fraction form
    100,041.94/150,105.03 = 43,853.05/x
  3. Step 3: Cross multiply
    100,041.94x = 150,105.03 × 43,853.05
  4. Step 4: Simplify right side
    100,041.94x = 6,582,563,385.84
  5. Step 5: Solve for x
    x = 6,582,563,385.84/100,041.94
  6. Step 6: Final answer
    x = 65,798.04

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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.