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Finding the Fourth Proportional to 283.55, 424.87 and 110.03

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Solution

The fourth proportional to 283.55, 424.87 and 110.03 is: 164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.55 : 424.87 = 110.03 : x
  2. Step 2: Convert to fraction form
    283.55/424.87 = 110.03/x
  3. Step 3: Cross multiply
    283.55x = 424.87 × 110.03
  4. Step 4: Simplify right side
    283.55x = 46,746.36
  5. Step 5: Solve for x
    x = 46,746.36/283.55
  6. Step 6: Final answer
    x = 164.86

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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.