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Finding the Fourth Proportional to 250,787.42, 346,092.62 and 143,367.45

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Solution

The fourth proportional to 250,787.42, 346,092.62 and 143,367.45 is: 197,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,787.42 : 346,092.62 = 143,367.45 : x
  2. Step 2: Convert to fraction form
    250,787.42/346,092.62 = 143,367.45/x
  3. Step 3: Cross multiply
    250,787.42x = 346,092.62 × 143,367.45
  4. Step 4: Simplify right side
    250,787.42x = 49,618,416,393.22
  5. Step 5: Solve for x
    x = 49,618,416,393.22/250,787.42
  6. Step 6: Final answer
    x = 197,850.50

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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.