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Finding the Fourth Proportional to 175.03, 262.65 and 98.06

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Solution

The fourth proportional to 175.03, 262.65 and 98.06 is: 147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.03 : 262.65 = 98.06 : x
  2. Step 2: Convert to fraction form
    175.03/262.65 = 98.06/x
  3. Step 3: Cross multiply
    175.03x = 262.65 × 98.06
  4. Step 4: Simplify right side
    175.03x = 25,755.46
  5. Step 5: Solve for x
    x = 25,755.46/175.03
  6. Step 6: Final answer
    x = 147.15

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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.