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Finding the Fourth Proportional to 75,553.36, 113,330 and 35,990.56

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Solution

The fourth proportional to 75,553.36, 113,330 and 35,990.56 is: 53,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,553.36 : 113,330 = 35,990.56 : x
  2. Step 2: Convert to fraction form
    75,553.36/113,330 = 35,990.56/x
  3. Step 3: Cross multiply
    75,553.36x = 113,330 × 35,990.56
  4. Step 4: Simplify right side
    75,553.36x = 4,078,810,164.80
  5. Step 5: Solve for x
    x = 4,078,810,164.80/75,553.36
  6. Step 6: Final answer
    x = 53,985.82

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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.