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Finding the Fourth Proportional to 153.68, 230.52 and 62.36

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Solution

The fourth proportional to 153.68, 230.52 and 62.36 is: 93.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.68 : 230.52 = 62.36 : x
  2. Step 2: Convert to fraction form
    153.68/230.52 = 62.36/x
  3. Step 3: Cross multiply
    153.68x = 230.52 × 62.36
  4. Step 4: Simplify right side
    153.68x = 14,375.23
  5. Step 5: Solve for x
    x = 14,375.23/153.68
  6. Step 6: Final answer
    x = 93.54

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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.