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Finding the Fourth Proportional to 154.74, 232.01 and 63.35

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Solution

The fourth proportional to 154.74, 232.01 and 63.35 is: 94.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.74 : 232.01 = 63.35 : x
  2. Step 2: Convert to fraction form
    154.74/232.01 = 63.35/x
  3. Step 3: Cross multiply
    154.74x = 232.01 × 63.35
  4. Step 4: Simplify right side
    154.74x = 14,696.67
  5. Step 5: Solve for x
    x = 14,696.67/154.74
  6. Step 6: Final answer
    x = 94.98

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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.