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Finding the Fourth Proportional to 184.03, 253.90 and 118.53

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Solution

The fourth proportional to 184.03, 253.90 and 118.53 is: 163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.03 : 253.90 = 118.53 : x
  2. Step 2: Convert to fraction form
    184.03/253.90 = 118.53/x
  3. Step 3: Cross multiply
    184.03x = 253.90 × 118.53
  4. Step 4: Simplify right side
    184.03x = 30,094.77
  5. Step 5: Solve for x
    x = 30,094.77/184.03
  6. Step 6: Final answer
    x = 163.53

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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.