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Finding the Fourth Proportional to 183.95, 253.93 and 117.62

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Solution

The fourth proportional to 183.95, 253.93 and 117.62 is: 162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.95 : 253.93 = 117.62 : x
  2. Step 2: Convert to fraction form
    183.95/253.93 = 117.62/x
  3. Step 3: Cross multiply
    183.95x = 253.93 × 117.62
  4. Step 4: Simplify right side
    183.95x = 29,867.25
  5. Step 5: Solve for x
    x = 29,867.25/183.95
  6. Step 6: Final answer
    x = 162.37

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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.