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Finding the Fourth Proportional to 152.24, 228.36 and 60.92

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Solution

The fourth proportional to 152.24, 228.36 and 60.92 is: 91.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.24 : 228.36 = 60.92 : x
  2. Step 2: Convert to fraction form
    152.24/228.36 = 60.92/x
  3. Step 3: Cross multiply
    152.24x = 228.36 × 60.92
  4. Step 4: Simplify right side
    152.24x = 13,911.69
  5. Step 5: Solve for x
    x = 13,911.69/152.24
  6. Step 6: Final answer
    x = 91.38

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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.