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Finding the Fourth Proportional to 173,632.80, 260,449.20 and 161,191.20

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Solution

The fourth proportional to 173,632.80, 260,449.20 and 161,191.20 is: 241,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,632.80 : 260,449.20 = 161,191.20 : x
  2. Step 2: Convert to fraction form
    173,632.80/260,449.20 = 161,191.20/x
  3. Step 3: Cross multiply
    173,632.80x = 260,449.20 × 161,191.20
  4. Step 4: Simplify right side
    173,632.80x = 41,982,119,087.04
  5. Step 5: Solve for x
    x = 41,982,119,087.04/173,632.80
  6. Step 6: Final answer
    x = 241,786.80

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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.