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Finding the Fourth Proportional to 178,397.88, 267,598.74 and 53,739.96

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Solution

The fourth proportional to 178,397.88, 267,598.74 and 53,739.96 is: 80,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,397.88 : 267,598.74 = 53,739.96 : x
  2. Step 2: Convert to fraction form
    178,397.88/267,598.74 = 53,739.96/x
  3. Step 3: Cross multiply
    178,397.88x = 267,598.74 × 53,739.96
  4. Step 4: Simplify right side
    178,397.88x = 14,380,745,583.65
  5. Step 5: Solve for x
    x = 14,380,745,583.65/178,397.88
  6. Step 6: Final answer
    x = 80,610.52

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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.