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Finding the Fourth Proportional to 165,645.80, 248,727.90 and 95,661.80

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Solution

The fourth proportional to 165,645.80, 248,727.90 and 95,661.80 is: 143,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,645.80 : 248,727.90 = 95,661.80 : x
  2. Step 2: Convert to fraction form
    165,645.80/248,727.90 = 95,661.80/x
  3. Step 3: Cross multiply
    165,645.80x = 248,727.90 × 95,661.80
  4. Step 4: Simplify right side
    165,645.80x = 23,793,758,624.22
  5. Step 5: Solve for x
    x = 23,793,758,624.22/165,645.80
  6. Step 6: Final answer
    x = 143,642.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.