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Finding the Fourth Proportional to 250,850.82, 346,173.85 and 137,673.86

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Solution

The fourth proportional to 250,850.82, 346,173.85 and 137,673.86 is: 189,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,850.82 : 346,173.85 = 137,673.86 : x
  2. Step 2: Convert to fraction form
    250,850.82/346,173.85 = 137,673.86/x
  3. Step 3: Cross multiply
    250,850.82x = 346,173.85 × 137,673.86
  4. Step 4: Simplify right side
    250,850.82x = 47,659,090,160.56
  5. Step 5: Solve for x
    x = 47,659,090,160.56/250,850.82
  6. Step 6: Final answer
    x = 189,989.77

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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.