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Finding the Fourth Proportional to 154.98, 232.41 and 46.74

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Solution

The fourth proportional to 154.98, 232.41 and 46.74 is: 70.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.98 : 232.41 = 46.74 : x
  2. Step 2: Convert to fraction form
    154.98/232.41 = 46.74/x
  3. Step 3: Cross multiply
    154.98x = 232.41 × 46.74
  4. Step 4: Simplify right side
    154.98x = 10,862.84
  5. Step 5: Solve for x
    x = 10,862.84/154.98
  6. Step 6: Final answer
    x = 70.09

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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.