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Finding the Fourth Proportional to 248.64, 372.42 and 152.34

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Solution

The fourth proportional to 248.64, 372.42 and 152.34 is: 228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.64 : 372.42 = 152.34 : x
  2. Step 2: Convert to fraction form
    248.64/372.42 = 152.34/x
  3. Step 3: Cross multiply
    248.64x = 372.42 × 152.34
  4. Step 4: Simplify right side
    248.64x = 56,734.46
  5. Step 5: Solve for x
    x = 56,734.46/248.64
  6. Step 6: Final answer
    x = 228.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.