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Finding the Fourth Proportional to 250,793.43, 346,094.91 and 143,365.86

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Solution

The fourth proportional to 250,793.43, 346,094.91 and 143,365.86 is: 197,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,793.43 : 346,094.91 = 143,365.86 : x
  2. Step 2: Convert to fraction form
    250,793.43/346,094.91 = 143,365.86/x
  3. Step 3: Cross multiply
    250,793.43x = 346,094.91 × 143,365.86
  4. Step 4: Simplify right side
    250,793.43x = 49,618,194,413.77
  5. Step 5: Solve for x
    x = 49,618,194,413.77/250,793.43
  6. Step 6: Final answer
    x = 197,844.87

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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.