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Finding the Fourth Proportional to 161,628.96, 223,044.48 and 89,033.88

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Solution

The fourth proportional to 161,628.96, 223,044.48 and 89,033.88 is: 122,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,628.96 : 223,044.48 = 89,033.88 : x
  2. Step 2: Convert to fraction form
    161,628.96/223,044.48 = 89,033.88/x
  3. Step 3: Cross multiply
    161,628.96x = 223,044.48 × 89,033.88
  4. Step 4: Simplify right side
    161,628.96x = 19,858,515,466.98
  5. Step 5: Solve for x
    x = 19,858,515,466.98/161,628.96
  6. Step 6: Final answer
    x = 122,864.83

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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.