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Finding the Fourth Proportional to 342,797.28, 514,229.94 and 118,127.58

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Solution

The fourth proportional to 342,797.28, 514,229.94 and 118,127.58 is: 177,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,797.28 : 514,229.94 = 118,127.58 : x
  2. Step 2: Convert to fraction form
    342,797.28/514,229.94 = 118,127.58/x
  3. Step 3: Cross multiply
    342,797.28x = 514,229.94 × 118,127.58
  4. Step 4: Simplify right side
    342,797.28x = 60,744,738,375.75
  5. Step 5: Solve for x
    x = 60,744,738,375.75/342,797.28
  6. Step 6: Final answer
    x = 177,203.09

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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.