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Finding the Fourth Proportional to 159.06, 238.72 and 62.94

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Solution

The fourth proportional to 159.06, 238.72 and 62.94 is: 94.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.06 : 238.72 = 62.94 : x
  2. Step 2: Convert to fraction form
    159.06/238.72 = 62.94/x
  3. Step 3: Cross multiply
    159.06x = 238.72 × 62.94
  4. Step 4: Simplify right side
    159.06x = 15,025.04
  5. Step 5: Solve for x
    x = 15,025.04/159.06
  6. Step 6: Final answer
    x = 94.46

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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.