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Finding the Fourth Proportional to 98.02, 147.10 and 44.02

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Solution

The fourth proportional to 98.02, 147.10 and 44.02 is: 66.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.02 : 147.10 = 44.02 : x
  2. Step 2: Convert to fraction form
    98.02/147.10 = 44.02/x
  3. Step 3: Cross multiply
    98.02x = 147.10 × 44.02
  4. Step 4: Simplify right side
    98.02x = 6,475.34
  5. Step 5: Solve for x
    x = 6,475.34/98.02
  6. Step 6: Final answer
    x = 66.06

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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.