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Finding the Fourth Proportional to 250,191.03, 345,249.95 and 146,811.31

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Solution

The fourth proportional to 250,191.03, 345,249.95 and 146,811.31 is: 202,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,191.03 : 345,249.95 = 146,811.31 : x
  2. Step 2: Convert to fraction form
    250,191.03/345,249.95 = 146,811.31/x
  3. Step 3: Cross multiply
    250,191.03x = 345,249.95 × 146,811.31
  4. Step 4: Simplify right side
    250,191.03x = 50,686,597,436.93
  5. Step 5: Solve for x
    x = 50,686,597,436.93/250,191.03
  6. Step 6: Final answer
    x = 202,591.59

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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.