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Finding the Fourth Proportional to 365,996.27, 548,888.81 and 126,100.40

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Solution

The fourth proportional to 365,996.27, 548,888.81 and 126,100.40 is: 189,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,996.27 : 548,888.81 = 126,100.40 : x
  2. Step 2: Convert to fraction form
    365,996.27/548,888.81 = 126,100.40/x
  3. Step 3: Cross multiply
    365,996.27x = 548,888.81 × 126,100.40
  4. Step 4: Simplify right side
    365,996.27x = 69,215,095,121.58
  5. Step 5: Solve for x
    x = 69,215,095,121.58/365,996.27
  6. Step 6: Final answer
    x = 189,114.21

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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.