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Finding the Fourth Proportional to 185,644.99, 256,183.23 and 100,760.23

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Solution

The fourth proportional to 185,644.99, 256,183.23 and 100,760.23 is: 139,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,644.99 : 256,183.23 = 100,760.23 : x
  2. Step 2: Convert to fraction form
    185,644.99/256,183.23 = 100,760.23/x
  3. Step 3: Cross multiply
    185,644.99x = 256,183.23 × 100,760.23
  4. Step 4: Simplify right side
    185,644.99x = 25,813,081,176.94
  5. Step 5: Solve for x
    x = 25,813,081,176.94/185,644.99
  6. Step 6: Final answer
    x = 139,045.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.