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Finding the Fourth Proportional to 540,188.98, 810,324.47 and 161,080.04

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Solution

The fourth proportional to 540,188.98, 810,324.47 and 161,080.04 is: 241,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,188.98 : 810,324.47 = 161,080.04 : x
  2. Step 2: Convert to fraction form
    540,188.98/810,324.47 = 161,080.04/x
  3. Step 3: Cross multiply
    540,188.98x = 810,324.47 × 161,080.04
  4. Step 4: Simplify right side
    540,188.98x = 130,527,100,469.09
  5. Step 5: Solve for x
    x = 130,527,100,469.09/540,188.98
  6. Step 6: Final answer
    x = 241,632.29

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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.