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Finding the Fourth Proportional to 101,940.84, 152,738.70 and 62,415.42

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Solution

The fourth proportional to 101,940.84, 152,738.70 and 62,415.42 is: 93,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,940.84 : 152,738.70 = 62,415.42 : x
  2. Step 2: Convert to fraction form
    101,940.84/152,738.70 = 62,415.42/x
  3. Step 3: Cross multiply
    101,940.84x = 152,738.70 × 62,415.42
  4. Step 4: Simplify right side
    101,940.84x = 9,533,250,110.75
  5. Step 5: Solve for x
    x = 9,533,250,110.75/101,940.84
  6. Step 6: Final answer
    x = 93,517.48

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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.