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Finding the Fourth Proportional to 75,504.52, 113,256.06 and 20,100.52

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Solution

The fourth proportional to 75,504.52, 113,256.06 and 20,100.52 is: 30,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,504.52 : 113,256.06 = 20,100.52 : x
  2. Step 2: Convert to fraction form
    75,504.52/113,256.06 = 20,100.52/x
  3. Step 3: Cross multiply
    75,504.52x = 113,256.06 × 20,100.52
  4. Step 4: Simplify right side
    75,504.52x = 2,276,505,699.15
  5. Step 5: Solve for x
    x = 2,276,505,699.15/75,504.52
  6. Step 6: Final answer
    x = 30,150.59

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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.