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Finding the Fourth Proportional to 342,885.14, 514,361.57 and 118,216.04

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Solution

The fourth proportional to 342,885.14, 514,361.57 and 118,216.04 is: 177,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,885.14 : 514,361.57 = 118,216.04 : x
  2. Step 2: Convert to fraction form
    342,885.14/514,361.57 = 118,216.04/x
  3. Step 3: Cross multiply
    342,885.14x = 514,361.57 × 118,216.04
  4. Step 4: Simplify right side
    342,885.14x = 60,805,784,770.69
  5. Step 5: Solve for x
    x = 60,805,784,770.69/342,885.14
  6. Step 6: Final answer
    x = 177,335.73

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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.