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Finding the Fourth Proportional to 250,982.32, 376,529.64 and 84,766

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Solution

The fourth proportional to 250,982.32, 376,529.64 and 84,766 is: 127,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,982.32 : 376,529.64 = 84,766 : x
  2. Step 2: Convert to fraction form
    250,982.32/376,529.64 = 84,766/x
  3. Step 3: Cross multiply
    250,982.32x = 376,529.64 × 84,766
  4. Step 4: Simplify right side
    250,982.32x = 31,916,911,464.24
  5. Step 5: Solve for x
    x = 31,916,911,464.24/250,982.32
  6. Step 6: Final answer
    x = 127,167.97

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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.