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Finding the Fourth Proportional to 492,737.46, 739,105.65 and 118,760.46

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Solution

The fourth proportional to 492,737.46, 739,105.65 and 118,760.46 is: 178,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,737.46 : 739,105.65 = 118,760.46 : x
  2. Step 2: Convert to fraction form
    492,737.46/739,105.65 = 118,760.46/x
  3. Step 3: Cross multiply
    492,737.46x = 739,105.65 × 118,760.46
  4. Step 4: Simplify right side
    492,737.46x = 87,776,526,982.60
  5. Step 5: Solve for x
    x = 87,776,526,982.60/492,737.46
  6. Step 6: Final answer
    x = 178,140.56

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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.