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Finding the Fourth Proportional to 342,671.46, 514,008.22 and 118,028.97

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Solution

The fourth proportional to 342,671.46, 514,008.22 and 118,028.97 is: 177,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,671.46 : 514,008.22 = 118,028.97 : x
  2. Step 2: Convert to fraction form
    342,671.46/514,008.22 = 118,028.97/x
  3. Step 3: Cross multiply
    342,671.46x = 514,008.22 × 118,028.97
  4. Step 4: Simplify right side
    342,671.46x = 60,667,861,984.04
  5. Step 5: Solve for x
    x = 60,667,861,984.04/342,671.46
  6. Step 6: Final answer
    x = 177,043.81

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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.