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Finding the Fourth Proportional to 104,297.68, 155,104.73 and 100,976.16

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Solution

The fourth proportional to 104,297.68, 155,104.73 and 100,976.16 is: 150,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,297.68 : 155,104.73 = 100,976.16 : x
  2. Step 2: Convert to fraction form
    104,297.68/155,104.73 = 100,976.16/x
  3. Step 3: Cross multiply
    104,297.68x = 155,104.73 × 100,976.16
  4. Step 4: Simplify right side
    104,297.68x = 15,661,880,033.24
  5. Step 5: Solve for x
    x = 15,661,880,033.24/104,297.68
  6. Step 6: Final answer
    x = 150,165.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.