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Finding the Fourth Proportional to 183.68, 275.52 and 61.93

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Solution

The fourth proportional to 183.68, 275.52 and 61.93 is: 92.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.68 : 275.52 = 61.93 : x
  2. Step 2: Convert to fraction form
    183.68/275.52 = 61.93/x
  3. Step 3: Cross multiply
    183.68x = 275.52 × 61.93
  4. Step 4: Simplify right side
    183.68x = 17,062.64
  5. Step 5: Solve for x
    x = 17,062.64/183.68
  6. Step 6: Final answer
    x = 92.89

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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.