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Finding the Fourth Proportional to 86,692.88, 119,636.31 and 46,948.88

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Solution

The fourth proportional to 86,692.88, 119,636.31 and 46,948.88 is: 64,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,692.88 : 119,636.31 = 46,948.88 : x
  2. Step 2: Convert to fraction form
    86,692.88/119,636.31 = 46,948.88/x
  3. Step 3: Cross multiply
    86,692.88x = 119,636.31 × 46,948.88
  4. Step 4: Simplify right side
    86,692.88x = 5,616,790,163.65
  5. Step 5: Solve for x
    x = 5,616,790,163.65/86,692.88
  6. Step 6: Final answer
    x = 64,789.52

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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.