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Finding the Fourth Proportional to 124.04, 185.75 and 95.03

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Solution

The fourth proportional to 124.04, 185.75 and 95.03 is: 142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.04 : 185.75 = 95.03 : x
  2. Step 2: Convert to fraction form
    124.04/185.75 = 95.03/x
  3. Step 3: Cross multiply
    124.04x = 185.75 × 95.03
  4. Step 4: Simplify right side
    124.04x = 17,650.42
  5. Step 5: Solve for x
    x = 17,650.42/124.04
  6. Step 6: Final answer
    x = 142.30

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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.