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Finding the Fourth Proportional to 127,346, 191,019 and 39,794

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Solution

The fourth proportional to 127,346, 191,019 and 39,794 is: 59,691

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346 : 191,019 = 39,794 : x
  2. Step 2: Convert to fraction form
    127,346/191,019 = 39,794/x
  3. Step 3: Cross multiply
    127,346x = 191,019 × 39,794
  4. Step 4: Simplify right side
    127,346x = 7,601,410,086
  5. Step 5: Solve for x
    x = 7,601,410,086/127,346
  6. Step 6: Final answer
    x = 59,691

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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.