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Finding the Fourth Proportional to 75,144, 103,706.28 and 41,610

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Solution

The fourth proportional to 75,144, 103,706.28 and 41,610 is: 57,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144 : 103,706.28 = 41,610 : x
  2. Step 2: Convert to fraction form
    75,144/103,706.28 = 41,610/x
  3. Step 3: Cross multiply
    75,144x = 103,706.28 × 41,610
  4. Step 4: Simplify right side
    75,144x = 4,315,218,310.80
  5. Step 5: Solve for x
    x = 4,315,218,310.80/75,144
  6. Step 6: Final answer
    x = 57,425.99

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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.