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Finding the Fourth Proportional to 275.96, 413.99 and 93.41

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Solution

The fourth proportional to 275.96, 413.99 and 93.41 is: 140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.96 : 413.99 = 93.41 : x
  2. Step 2: Convert to fraction form
    275.96/413.99 = 93.41/x
  3. Step 3: Cross multiply
    275.96x = 413.99 × 93.41
  4. Step 4: Simplify right side
    275.96x = 38,670.34
  5. Step 5: Solve for x
    x = 38,670.34/275.96
  6. Step 6: Final answer
    x = 140.13

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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.