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Finding the Fourth Proportional to 184.82, 277.32 and 88.70

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Solution

The fourth proportional to 184.82, 277.32 and 88.70 is: 133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.82 : 277.32 = 88.70 : x
  2. Step 2: Convert to fraction form
    184.82/277.32 = 88.70/x
  3. Step 3: Cross multiply
    184.82x = 277.32 × 88.70
  4. Step 4: Simplify right side
    184.82x = 24,598.28
  5. Step 5: Solve for x
    x = 24,598.28/184.82
  6. Step 6: Final answer
    x = 133.09

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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.