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Finding the Fourth Proportional to 184.68, 275.51 and 157.46

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Solution

The fourth proportional to 184.68, 275.51 and 157.46 is: 234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.68 : 275.51 = 157.46 : x
  2. Step 2: Convert to fraction form
    184.68/275.51 = 157.46/x
  3. Step 3: Cross multiply
    184.68x = 275.51 × 157.46
  4. Step 4: Simplify right side
    184.68x = 43,379.64
  5. Step 5: Solve for x
    x = 43,379.64/184.68
  6. Step 6: Final answer
    x = 234.89

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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.