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Finding the Fourth Proportional to 341.89, 512.84 and 125.48

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Solution

The fourth proportional to 341.89, 512.84 and 125.48 is: 188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.89 : 512.84 = 125.48 : x
  2. Step 2: Convert to fraction form
    341.89/512.84 = 125.48/x
  3. Step 3: Cross multiply
    341.89x = 512.84 × 125.48
  4. Step 4: Simplify right side
    341.89x = 64,351.16
  5. Step 5: Solve for x
    x = 64,351.16/341.89
  6. Step 6: Final answer
    x = 188.22

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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.