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Finding the Fourth Proportional to 250,524.42, 345,722.90 and 135,803.51

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Solution

The fourth proportional to 250,524.42, 345,722.90 and 135,803.51 is: 187,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,524.42 : 345,722.90 = 135,803.51 : x
  2. Step 2: Convert to fraction form
    250,524.42/345,722.90 = 135,803.51/x
  3. Step 3: Cross multiply
    250,524.42x = 345,722.90 × 135,803.51
  4. Step 4: Simplify right side
    250,524.42x = 46,950,383,359.53
  5. Step 5: Solve for x
    x = 46,950,383,359.53/250,524.42
  6. Step 6: Final answer
    x = 187,408.41

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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.