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Finding the Fourth Proportional to 193,220.80, 290,608.80 and 173,003.20

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Solution

The fourth proportional to 193,220.80, 290,608.80 and 173,003.20 is: 260,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,220.80 : 290,608.80 = 173,003.20 : x
  2. Step 2: Convert to fraction form
    193,220.80/290,608.80 = 173,003.20/x
  3. Step 3: Cross multiply
    193,220.80x = 290,608.80 × 173,003.20
  4. Step 4: Simplify right side
    193,220.80x = 50,276,252,348.16
  5. Step 5: Solve for x
    x = 50,276,252,348.16/193,220.80
  6. Step 6: Final answer
    x = 260,201.04

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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.