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Finding the Fourth Proportional to 193.03, 289.52 and 56.08

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Solution

The fourth proportional to 193.03, 289.52 and 56.08 is: 84.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.03 : 289.52 = 56.08 : x
  2. Step 2: Convert to fraction form
    193.03/289.52 = 56.08/x
  3. Step 3: Cross multiply
    193.03x = 289.52 × 56.08
  4. Step 4: Simplify right side
    193.03x = 16,235.70
  5. Step 5: Solve for x
    x = 16,235.70/193.03
  6. Step 6: Final answer
    x = 84.11

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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.