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Finding the Fourth Proportional to 152.37, 228.51 and 94.68

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Solution

The fourth proportional to 152.37, 228.51 and 94.68 is: 141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.37 : 228.51 = 94.68 : x
  2. Step 2: Convert to fraction form
    152.37/228.51 = 94.68/x
  3. Step 3: Cross multiply
    152.37x = 228.51 × 94.68
  4. Step 4: Simplify right side
    152.37x = 21,635.33
  5. Step 5: Solve for x
    x = 21,635.33/152.37
  6. Step 6: Final answer
    x = 141.99

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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.