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Finding the Fourth Proportional to 248.64, 372.54 and 151.08

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Solution

The fourth proportional to 248.64, 372.54 and 151.08 is: 226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.64 : 372.54 = 151.08 : x
  2. Step 2: Convert to fraction form
    248.64/372.54 = 151.08/x
  3. Step 3: Cross multiply
    248.64x = 372.54 × 151.08
  4. Step 4: Simplify right side
    248.64x = 56,283.34
  5. Step 5: Solve for x
    x = 56,283.34/248.64
  6. Step 6: Final answer
    x = 226.36

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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.