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Finding the Fourth Proportional to 144,842.96, 199,843.65 and 86,676.27

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Solution

The fourth proportional to 144,842.96, 199,843.65 and 86,676.27 is: 119,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,842.96 : 199,843.65 = 86,676.27 : x
  2. Step 2: Convert to fraction form
    144,842.96/199,843.65 = 86,676.27/x
  3. Step 3: Cross multiply
    144,842.96x = 199,843.65 × 86,676.27
  4. Step 4: Simplify right side
    144,842.96x = 17,321,702,165.19
  5. Step 5: Solve for x
    x = 17,321,702,165.19/144,842.96
  6. Step 6: Final answer
    x = 119,589.53

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1.5x scale

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.