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Finding the Fourth Proportional to 214.36, 295.53 and 140.65

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Solution

The fourth proportional to 214.36, 295.53 and 140.65 is: 193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.36 : 295.53 = 140.65 : x
  2. Step 2: Convert to fraction form
    214.36/295.53 = 140.65/x
  3. Step 3: Cross multiply
    214.36x = 295.53 × 140.65
  4. Step 4: Simplify right side
    214.36x = 41,566.29
  5. Step 5: Solve for x
    x = 41,566.29/214.36
  6. Step 6: Final answer
    x = 193.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.