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Finding the Fourth Proportional to 202,991.80, 304,050.30 and 167,999.80

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Solution

The fourth proportional to 202,991.80, 304,050.30 and 167,999.80 is: 251,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,991.80 : 304,050.30 = 167,999.80 : x
  2. Step 2: Convert to fraction form
    202,991.80/304,050.30 = 167,999.80/x
  3. Step 3: Cross multiply
    202,991.80x = 304,050.30 × 167,999.80
  4. Step 4: Simplify right side
    202,991.80x = 51,080,389,589.94
  5. Step 5: Solve for x
    x = 51,080,389,589.94/202,991.80
  6. Step 6: Final answer
    x = 251,637.70

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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.