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Finding the Fourth Proportional to 124.10, 185.98 and 95.46

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Solution

The fourth proportional to 124.10, 185.98 and 95.46 is: 143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.10 : 185.98 = 95.46 : x
  2. Step 2: Convert to fraction form
    124.10/185.98 = 95.46/x
  3. Step 3: Cross multiply
    124.10x = 185.98 × 95.46
  4. Step 4: Simplify right side
    124.10x = 17,753.65
  5. Step 5: Solve for x
    x = 17,753.65/124.10
  6. Step 6: Final answer
    x = 143.06

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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.