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Finding the Fourth Proportional to 197.87, 296.75 and 59.00

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Solution

The fourth proportional to 197.87, 296.75 and 59.00 is: 88.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.87 : 296.75 = 59.00 : x
  2. Step 2: Convert to fraction form
    197.87/296.75 = 59.00/x
  3. Step 3: Cross multiply
    197.87x = 296.75 × 59.00
  4. Step 4: Simplify right side
    197.87x = 17,509.25
  5. Step 5: Solve for x
    x = 17,509.25/197.87
  6. Step 6: Final answer
    x = 88.49

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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.