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Finding the Fourth Proportional to 197,804.68, 296,744.46 and 79,485.28

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Solution

The fourth proportional to 197,804.68, 296,744.46 and 79,485.28 is: 119,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,804.68 : 296,744.46 = 79,485.28 : x
  2. Step 2: Convert to fraction form
    197,804.68/296,744.46 = 79,485.28/x
  3. Step 3: Cross multiply
    197,804.68x = 296,744.46 × 79,485.28
  4. Step 4: Simplify right side
    197,804.68x = 23,586,816,491.55
  5. Step 5: Solve for x
    x = 23,586,816,491.55/197,804.68
  6. Step 6: Final answer
    x = 119,242.96

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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.