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Finding the Fourth Proportional to 100,043.26, 150,107 and 43,854.36

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Solution

The fourth proportional to 100,043.26, 150,107 and 43,854.36 is: 65,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,043.26 : 150,107 = 43,854.36 : x
  2. Step 2: Convert to fraction form
    100,043.26/150,107 = 43,854.36/x
  3. Step 3: Cross multiply
    100,043.26x = 150,107 × 43,854.36
  4. Step 4: Simplify right side
    100,043.26x = 6,582,846,416.52
  5. Step 5: Solve for x
    x = 6,582,846,416.52/100,043.26
  6. Step 6: Final answer
    x = 65,800.00

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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.