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Finding the Fourth Proportional to 152.88, 229.32 and 96.24

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Solution

The fourth proportional to 152.88, 229.32 and 96.24 is: 144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.88 : 229.32 = 96.24 : x
  2. Step 2: Convert to fraction form
    152.88/229.32 = 96.24/x
  3. Step 3: Cross multiply
    152.88x = 229.32 × 96.24
  4. Step 4: Simplify right side
    152.88x = 22,069.76
  5. Step 5: Solve for x
    x = 22,069.76/152.88
  6. Step 6: Final answer
    x = 144.36

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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.