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Finding the Fourth Proportional to 199.97, 275.65 and 175.26

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Solution

The fourth proportional to 199.97, 275.65 and 175.26 is: 241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.97 : 275.65 = 175.26 : x
  2. Step 2: Convert to fraction form
    199.97/275.65 = 175.26/x
  3. Step 3: Cross multiply
    199.97x = 275.65 × 175.26
  4. Step 4: Simplify right side
    199.97x = 48,312.00
  5. Step 5: Solve for x
    x = 48,312.00/199.97
  6. Step 6: Final answer
    x = 241.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.