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Finding the Fourth Proportional to 184.90, 277.46 and 98.23

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Solution

The fourth proportional to 184.90, 277.46 and 98.23 is: 147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.90 : 277.46 = 98.23 : x
  2. Step 2: Convert to fraction form
    184.90/277.46 = 98.23/x
  3. Step 3: Cross multiply
    184.90x = 277.46 × 98.23
  4. Step 4: Simplify right side
    184.90x = 27,254.60
  5. Step 5: Solve for x
    x = 27,254.60/184.90
  6. Step 6: Final answer
    x = 147.40

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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.