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Finding the Fourth Proportional to 244,889.80, 366,945.90 and 161,686.60

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Solution

The fourth proportional to 244,889.80, 366,945.90 and 161,686.60 is: 242,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,889.80 : 366,945.90 = 161,686.60 : x
  2. Step 2: Convert to fraction form
    244,889.80/366,945.90 = 161,686.60/x
  3. Step 3: Cross multiply
    244,889.80x = 366,945.90 × 161,686.60
  4. Step 4: Simplify right side
    244,889.80x = 59,330,234,954.94
  5. Step 5: Solve for x
    x = 59,330,234,954.94/244,889.80
  6. Step 6: Final answer
    x = 242,273.20

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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.