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Finding the Fourth Proportional to 244,912.80, 366,980.40 and 161,709.60

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Solution

The fourth proportional to 244,912.80, 366,980.40 and 161,709.60 is: 242,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,912.80 : 366,980.40 = 161,709.60 : x
  2. Step 2: Convert to fraction form
    244,912.80/366,980.40 = 161,709.60/x
  3. Step 3: Cross multiply
    244,912.80x = 366,980.40 × 161,709.60
  4. Step 4: Simplify right side
    244,912.80x = 59,344,253,691.84
  5. Step 5: Solve for x
    x = 59,344,253,691.84/244,912.80
  6. Step 6: Final answer
    x = 242,307.69

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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.