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Finding the Fourth Proportional to 167,980.13, 251,975.06 and 43,321.13

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Solution

The fourth proportional to 167,980.13, 251,975.06 and 43,321.13 is: 64,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,980.13 : 251,975.06 = 43,321.13 : x
  2. Step 2: Convert to fraction form
    167,980.13/251,975.06 = 43,321.13/x
  3. Step 3: Cross multiply
    167,980.13x = 251,975.06 × 43,321.13
  4. Step 4: Simplify right side
    167,980.13x = 10,915,842,854.54
  5. Step 5: Solve for x
    x = 10,915,842,854.54/167,980.13
  6. Step 6: Final answer
    x = 64,982.94

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1.5x scale

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.