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Finding the Fourth Proportional to 183.60, 275.52 and 96.99

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Solution

The fourth proportional to 183.60, 275.52 and 96.99 is: 145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.60 : 275.52 = 96.99 : x
  2. Step 2: Convert to fraction form
    183.60/275.52 = 96.99/x
  3. Step 3: Cross multiply
    183.60x = 275.52 × 96.99
  4. Step 4: Simplify right side
    183.60x = 26,722.68
  5. Step 5: Solve for x
    x = 26,722.68/183.60
  6. Step 6: Final answer
    x = 145.55

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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.