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Finding the Fourth Proportional to 183.68, 253.69 and 146.46

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Solution

The fourth proportional to 183.68, 253.69 and 146.46 is: 202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.68 : 253.69 = 146.46 : x
  2. Step 2: Convert to fraction form
    183.68/253.69 = 146.46/x
  3. Step 3: Cross multiply
    183.68x = 253.69 × 146.46
  4. Step 4: Simplify right side
    183.68x = 37,153.44
  5. Step 5: Solve for x
    x = 37,153.44/183.68
  6. Step 6: Final answer
    x = 202.28

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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.