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Finding the Fourth Proportional to 74,148.46, 111,213.46 and 29,760.24

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Solution

The fourth proportional to 74,148.46, 111,213.46 and 29,760.24 is: 44,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,148.46 : 111,213.46 = 29,760.24 : x
  2. Step 2: Convert to fraction form
    74,148.46/111,213.46 = 29,760.24/x
  3. Step 3: Cross multiply
    74,148.46x = 111,213.46 × 29,760.24
  4. Step 4: Simplify right side
    74,148.46x = 3,309,738,609.32
  5. Step 5: Solve for x
    x = 3,309,738,609.32/74,148.46
  6. Step 6: Final answer
    x = 44,636.64

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1.5x scale

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.