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Finding the Fourth Proportional to 184.88, 275.84 and 157.84

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Solution

The fourth proportional to 184.88, 275.84 and 157.84 is: 235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.88 : 275.84 = 157.84 : x
  2. Step 2: Convert to fraction form
    184.88/275.84 = 157.84/x
  3. Step 3: Cross multiply
    184.88x = 275.84 × 157.84
  4. Step 4: Simplify right side
    184.88x = 43,538.59
  5. Step 5: Solve for x
    x = 43,538.59/184.88
  6. Step 6: Final answer
    x = 235.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.