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Finding the Fourth Proportional to 183.41, 253.07 and 118.00

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Solution

The fourth proportional to 183.41, 253.07 and 118.00 is: 162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.41 : 253.07 = 118.00 : x
  2. Step 2: Convert to fraction form
    183.41/253.07 = 118.00/x
  3. Step 3: Cross multiply
    183.41x = 253.07 × 118.00
  4. Step 4: Simplify right side
    183.41x = 29,862.87
  5. Step 5: Solve for x
    x = 29,862.87/183.41
  6. Step 6: Final answer
    x = 162.82

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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.