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Finding the Fourth Proportional to 183.47, 253.33 and 118.06

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Solution

The fourth proportional to 183.47, 253.33 and 118.06 is: 163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.47 : 253.33 = 118.06 : x
  2. Step 2: Convert to fraction form
    183.47/253.33 = 118.06/x
  3. Step 3: Cross multiply
    183.47x = 253.33 × 118.06
  4. Step 4: Simplify right side
    183.47x = 29,907.21
  5. Step 5: Solve for x
    x = 29,907.21/183.47
  6. Step 6: Final answer
    x = 163.01

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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.