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Finding the Fourth Proportional to 250,941.69, 376,181.51 and 108,697.59

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Solution

The fourth proportional to 250,941.69, 376,181.51 and 108,697.59 is: 162,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,941.69 : 376,181.51 = 108,697.59 : x
  2. Step 2: Convert to fraction form
    250,941.69/376,181.51 = 108,697.59/x
  3. Step 3: Cross multiply
    250,941.69x = 376,181.51 × 108,697.59
  4. Step 4: Simplify right side
    250,941.69x = 40,890,022,996.07
  5. Step 5: Solve for x
    x = 40,890,022,996.07/250,941.69
  6. Step 6: Final answer
    x = 162,946.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.