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Finding the Fourth Proportional to 97.86, 146.36 and 59.24

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Solution

The fourth proportional to 97.86, 146.36 and 59.24 is: 88.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.86 : 146.36 = 59.24 : x
  2. Step 2: Convert to fraction form
    97.86/146.36 = 59.24/x
  3. Step 3: Cross multiply
    97.86x = 146.36 × 59.24
  4. Step 4: Simplify right side
    97.86x = 8,670.37
  5. Step 5: Solve for x
    x = 8,670.37/97.86
  6. Step 6: Final answer
    x = 88.60

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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.