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Finding the Fourth Proportional to 97.56, 147.01 and 92.93

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Solution

The fourth proportional to 97.56, 147.01 and 92.93 is: 140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.56 : 147.01 = 92.93 : x
  2. Step 2: Convert to fraction form
    97.56/147.01 = 92.93/x
  3. Step 3: Cross multiply
    97.56x = 147.01 × 92.93
  4. Step 4: Simplify right side
    97.56x = 13,660.67
  5. Step 5: Solve for x
    x = 13,660.67/97.56
  6. Step 6: Final answer
    x = 140.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.