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Finding the Fourth Proportional to 167,262, 230,821.68 and 91,815.36

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Solution

The fourth proportional to 167,262, 230,821.68 and 91,815.36 is: 126,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,262 : 230,821.68 = 91,815.36 : x
  2. Step 2: Convert to fraction form
    167,262/230,821.68 = 91,815.36/x
  3. Step 3: Cross multiply
    167,262x = 230,821.68 × 91,815.36
  4. Step 4: Simplify right side
    167,262x = 21,192,975,645.00
  5. Step 5: Solve for x
    x = 21,192,975,645.00/167,262
  6. Step 6: Final answer
    x = 126,705.26

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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.