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Finding the Fourth Proportional to 86,046.96, 118,776.51 and 73,898.58

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Solution

The fourth proportional to 86,046.96, 118,776.51 and 73,898.58 is: 102,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,046.96 : 118,776.51 = 73,898.58 : x
  2. Step 2: Convert to fraction form
    86,046.96/118,776.51 = 73,898.58/x
  3. Step 3: Cross multiply
    86,046.96x = 118,776.51 × 73,898.58
  4. Step 4: Simplify right side
    86,046.96x = 8,777,415,426.36
  5. Step 5: Solve for x
    x = 8,777,415,426.36/86,046.96
  6. Step 6: Final answer
    x = 102,007.27

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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.