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Finding the Fourth Proportional to 178,390.30, 267,584.24 and 43,452.76

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Solution

The fourth proportional to 178,390.30, 267,584.24 and 43,452.76 is: 65,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,390.30 : 267,584.24 = 43,452.76 : x
  2. Step 2: Convert to fraction form
    178,390.30/267,584.24 = 43,452.76/x
  3. Step 3: Cross multiply
    178,390.30x = 267,584.24 × 43,452.76
  4. Step 4: Simplify right side
    178,390.30x = 11,627,273,543.24
  5. Step 5: Solve for x
    x = 11,627,273,543.24/178,390.30
  6. Step 6: Final answer
    x = 65,178.84

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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.