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Finding the Fourth Proportional to 178,352.70, 267,541.20 and 56,763.60

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Solution

The fourth proportional to 178,352.70, 267,541.20 and 56,763.60 is: 85,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,352.70 : 267,541.20 = 56,763.60 : x
  2. Step 2: Convert to fraction form
    178,352.70/267,541.20 = 56,763.60/x
  3. Step 3: Cross multiply
    178,352.70x = 267,541.20 × 56,763.60
  4. Step 4: Simplify right side
    178,352.70x = 15,186,601,660.32
  5. Step 5: Solve for x
    x = 15,186,601,660.32/178,352.70
  6. Step 6: Final answer
    x = 85,149.27

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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.