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Finding the Fourth Proportional to 229.96, 345.01 and 93.02

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Solution

The fourth proportional to 229.96, 345.01 and 93.02 is: 139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.96 : 345.01 = 93.02 : x
  2. Step 2: Convert to fraction form
    229.96/345.01 = 93.02/x
  3. Step 3: Cross multiply
    229.96x = 345.01 × 93.02
  4. Step 4: Simplify right side
    229.96x = 32,091.05
  5. Step 5: Solve for x
    x = 32,091.05/229.96
  6. Step 6: Final answer
    x = 139.55

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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.