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Finding the Fourth Proportional to 183.86, 275.76 and 62.12

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Solution

The fourth proportional to 183.86, 275.76 and 62.12 is: 93.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.86 : 275.76 = 62.12 : x
  2. Step 2: Convert to fraction form
    183.86/275.76 = 62.12/x
  3. Step 3: Cross multiply
    183.86x = 275.76 × 62.12
  4. Step 4: Simplify right side
    183.86x = 17,130.21
  5. Step 5: Solve for x
    x = 17,130.21/183.86
  6. Step 6: Final answer
    x = 93.17

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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.