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Finding the Fourth Proportional to 248.53, 373.00 and 111.59

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Solution

The fourth proportional to 248.53, 373.00 and 111.59 is: 167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.53 : 373.00 = 111.59 : x
  2. Step 2: Convert to fraction form
    248.53/373.00 = 111.59/x
  3. Step 3: Cross multiply
    248.53x = 373.00 × 111.59
  4. Step 4: Simplify right side
    248.53x = 41,622.51
  5. Step 5: Solve for x
    x = 41,622.51/248.53
  6. Step 6: Final answer
    x = 167.47

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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.