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Finding the Fourth Proportional to 98.52, 147.76 and 44.44

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Solution

The fourth proportional to 98.52, 147.76 and 44.44 is: 66.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.52 : 147.76 = 44.44 : x
  2. Step 2: Convert to fraction form
    98.52/147.76 = 44.44/x
  3. Step 3: Cross multiply
    98.52x = 147.76 × 44.44
  4. Step 4: Simplify right side
    98.52x = 6,566.45
  5. Step 5: Solve for x
    x = 6,566.45/98.52
  6. Step 6: Final answer
    x = 66.65

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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.