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Finding the Fourth Proportional to 124.07, 185.62 and 96.43

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Solution

The fourth proportional to 124.07, 185.62 and 96.43 is: 144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.07 : 185.62 = 96.43 : x
  2. Step 2: Convert to fraction form
    124.07/185.62 = 96.43/x
  3. Step 3: Cross multiply
    124.07x = 185.62 × 96.43
  4. Step 4: Simplify right side
    124.07x = 17,899.34
  5. Step 5: Solve for x
    x = 17,899.34/124.07
  6. Step 6: Final answer
    x = 144.27

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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.