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Finding the Fourth Proportional to 76,007, 104,896.14 and 42,479.48

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Solution

The fourth proportional to 76,007, 104,896.14 and 42,479.48 is: 58,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007 : 104,896.14 = 42,479.48 : x
  2. Step 2: Convert to fraction form
    76,007/104,896.14 = 42,479.48/x
  3. Step 3: Cross multiply
    76,007x = 104,896.14 × 42,479.48
  4. Step 4: Simplify right side
    76,007x = 4,455,933,481.21
  5. Step 5: Solve for x
    x = 4,455,933,481.21/76,007
  6. Step 6: Final answer
    x = 58,625.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.