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Finding the Fourth Proportional to 100,507.02, 150,755.58 and 37,339.44

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Solution

The fourth proportional to 100,507.02, 150,755.58 and 37,339.44 is: 56,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,507.02 : 150,755.58 = 37,339.44 : x
  2. Step 2: Convert to fraction form
    100,507.02/150,755.58 = 37,339.44/x
  3. Step 3: Cross multiply
    100,507.02x = 150,755.58 × 37,339.44
  4. Step 4: Simplify right side
    100,507.02x = 5,629,128,934.08
  5. Step 5: Solve for x
    x = 5,629,128,934.08/100,507.02
  6. Step 6: Final answer
    x = 56,007.32

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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.