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Finding the Fourth Proportional to 167,456.80, 251,185.20 and 166,290.40

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Solution

The fourth proportional to 167,456.80, 251,185.20 and 166,290.40 is: 249,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,456.80 : 251,185.20 = 166,290.40 : x
  2. Step 2: Convert to fraction form
    167,456.80/251,185.20 = 166,290.40/x
  3. Step 3: Cross multiply
    167,456.80x = 251,185.20 × 166,290.40
  4. Step 4: Simplify right side
    167,456.80x = 41,769,687,382.08
  5. Step 5: Solve for x
    x = 41,769,687,382.08/167,456.80
  6. Step 6: Final answer
    x = 249,435.60

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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.