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Finding the Fourth Proportional to 184.04, 253.82 and 118.64

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Solution

The fourth proportional to 184.04, 253.82 and 118.64 is: 163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.04 : 253.82 = 118.64 : x
  2. Step 2: Convert to fraction form
    184.04/253.82 = 118.64/x
  3. Step 3: Cross multiply
    184.04x = 253.82 × 118.64
  4. Step 4: Simplify right side
    184.04x = 30,111.34
  5. Step 5: Solve for x
    x = 30,111.34/184.04
  6. Step 6: Final answer
    x = 163.62

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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.