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Finding the Fourth Proportional to 104,240.87, 156,361.54 and 37,680.90

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Solution

The fourth proportional to 104,240.87, 156,361.54 and 37,680.90 is: 56,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,240.87 : 156,361.54 = 37,680.90 : x
  2. Step 2: Convert to fraction form
    104,240.87/156,361.54 = 37,680.90/x
  3. Step 3: Cross multiply
    104,240.87x = 156,361.54 × 37,680.90
  4. Step 4: Simplify right side
    104,240.87x = 5,891,842,942.68
  5. Step 5: Solve for x
    x = 5,891,842,942.68/104,240.87
  6. Step 6: Final answer
    x = 56,521.43

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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.