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Finding the Fourth Proportional to 184.04, 275.44 and 139.99

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Solution

The fourth proportional to 184.04, 275.44 and 139.99 is: 209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.04 : 275.44 = 139.99 : x
  2. Step 2: Convert to fraction form
    184.04/275.44 = 139.99/x
  3. Step 3: Cross multiply
    184.04x = 275.44 × 139.99
  4. Step 4: Simplify right side
    184.04x = 38,558.15
  5. Step 5: Solve for x
    x = 38,558.15/184.04
  6. Step 6: Final answer
    x = 209.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.