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Finding the Fourth Proportional to 86,504.76, 119,372.94 and 48,782.52

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Solution

The fourth proportional to 86,504.76, 119,372.94 and 48,782.52 is: 67,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.76 : 119,372.94 = 48,782.52 : x
  2. Step 2: Convert to fraction form
    86,504.76/119,372.94 = 48,782.52/x
  3. Step 3: Cross multiply
    86,504.76x = 119,372.94 × 48,782.52
  4. Step 4: Simplify right side
    86,504.76x = 5,823,312,833.01
  5. Step 5: Solve for x
    x = 5,823,312,833.01/86,504.76
  6. Step 6: Final answer
    x = 67,317.83

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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.