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Finding the Fourth Proportional to 232.64, 348.96 and 124.16

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Solution

The fourth proportional to 232.64, 348.96 and 124.16 is: 186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.64 : 348.96 = 124.16 : x
  2. Step 2: Convert to fraction form
    232.64/348.96 = 124.16/x
  3. Step 3: Cross multiply
    232.64x = 348.96 × 124.16
  4. Step 4: Simplify right side
    232.64x = 43,326.87
  5. Step 5: Solve for x
    x = 43,326.87/232.64
  6. Step 6: Final answer
    x = 186.24

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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.