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Finding the Fourth Proportional to 75,087.58, 103,621.59 and 41,553.50

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Solution

The fourth proportional to 75,087.58, 103,621.59 and 41,553.50 is: 57,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.58 : 103,621.59 = 41,553.50 : x
  2. Step 2: Convert to fraction form
    75,087.58/103,621.59 = 41,553.50/x
  3. Step 3: Cross multiply
    75,087.58x = 103,621.59 × 41,553.50
  4. Step 4: Simplify right side
    75,087.58x = 4,305,839,740.07
  5. Step 5: Solve for x
    x = 4,305,839,740.07/75,087.58
  6. Step 6: Final answer
    x = 57,344.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.