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Finding the Fourth Proportional to 184.14, 253.98 and 140.58

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Solution

The fourth proportional to 184.14, 253.98 and 140.58 is: 193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.14 : 253.98 = 140.58 : x
  2. Step 2: Convert to fraction form
    184.14/253.98 = 140.58/x
  3. Step 3: Cross multiply
    184.14x = 253.98 × 140.58
  4. Step 4: Simplify right side
    184.14x = 35,704.51
  5. Step 5: Solve for x
    x = 35,704.51/184.14
  6. Step 6: Final answer
    x = 193.90

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Why These Related Problems?

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