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Finding the Fourth Proportional to 183.10, 252.59 and 113.10

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Solution

The fourth proportional to 183.10, 252.59 and 113.10 is: 156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.10 : 252.59 = 113.10 : x
  2. Step 2: Convert to fraction form
    183.10/252.59 = 113.10/x
  3. Step 3: Cross multiply
    183.10x = 252.59 × 113.10
  4. Step 4: Simplify right side
    183.10x = 28,567.10
  5. Step 5: Solve for x
    x = 28,567.10/183.10
  6. Step 6: Final answer
    x = 156.02

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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.