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Finding the Fourth Proportional to 86,696.26, 119,650.56 and 48,972.94

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Solution

The fourth proportional to 86,696.26, 119,650.56 and 48,972.94 is: 67,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,696.26 : 119,650.56 = 48,972.94 : x
  2. Step 2: Convert to fraction form
    86,696.26/119,650.56 = 48,972.94/x
  3. Step 3: Cross multiply
    86,696.26x = 119,650.56 × 48,972.94
  4. Step 4: Simplify right side
    86,696.26x = 5,859,639,695.85
  5. Step 5: Solve for x
    x = 5,859,639,695.85/86,696.26
  6. Step 6: Final answer
    x = 67,588.15

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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.