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Finding the Fourth Proportional to 250,755.80, 345,952.20 and 164,761.08

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Solution

The fourth proportional to 250,755.80, 345,952.20 and 164,761.08 is: 227,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,755.80 : 345,952.20 = 164,761.08 : x
  2. Step 2: Convert to fraction form
    250,755.80/345,952.20 = 164,761.08/x
  3. Step 3: Cross multiply
    250,755.80x = 345,952.20 × 164,761.08
  4. Step 4: Simplify right side
    250,755.80x = 56,999,458,100.38
  5. Step 5: Solve for x
    x = 56,999,458,100.38/250,755.80
  6. Step 6: Final answer
    x = 227,310.63

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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.