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Finding the Fourth Proportional to 184.23, 253.62 and 156.09

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Solution

The fourth proportional to 184.23, 253.62 and 156.09 is: 214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.23 : 253.62 = 156.09 : x
  2. Step 2: Convert to fraction form
    184.23/253.62 = 156.09/x
  3. Step 3: Cross multiply
    184.23x = 253.62 × 156.09
  4. Step 4: Simplify right side
    184.23x = 39,587.55
  5. Step 5: Solve for x
    x = 39,587.55/184.23
  6. Step 6: Final answer
    x = 214.88

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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.