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Finding the Fourth Proportional to 86,896, 119,910.72 and 48,648.88

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Solution

The fourth proportional to 86,896, 119,910.72 and 48,648.88 is: 67,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896 : 119,910.72 = 48,648.88 : x
  2. Step 2: Convert to fraction form
    86,896/119,910.72 = 48,648.88/x
  3. Step 3: Cross multiply
    86,896x = 119,910.72 × 48,648.88
  4. Step 4: Simplify right side
    86,896x = 5,833,522,227.99
  5. Step 5: Solve for x
    x = 5,833,522,227.99/86,896
  6. Step 6: Final answer
    x = 67,132.23

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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.