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Finding the Fourth Proportional to 193.64, 288.89 and 175.95

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Solution

The fourth proportional to 193.64, 288.89 and 175.95 is: 262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.64 : 288.89 = 175.95 : x
  2. Step 2: Convert to fraction form
    193.64/288.89 = 175.95/x
  3. Step 3: Cross multiply
    193.64x = 288.89 × 175.95
  4. Step 4: Simplify right side
    193.64x = 50,829.98
  5. Step 5: Solve for x
    x = 50,829.98/193.64
  6. Step 6: Final answer
    x = 262.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.