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Finding the Fourth Proportional to 178,464.72, 267,736.68 and 53,796.72

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Solution

The fourth proportional to 178,464.72, 267,736.68 and 53,796.72 is: 80,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,464.72 : 267,736.68 = 53,796.72 : x
  2. Step 2: Convert to fraction form
    178,464.72/267,736.68 = 53,796.72/x
  3. Step 3: Cross multiply
    178,464.72x = 267,736.68 × 53,796.72
  4. Step 4: Simplify right side
    178,464.72x = 14,403,355,207.69
  5. Step 5: Solve for x
    x = 14,403,355,207.69/178,464.72
  6. Step 6: Final answer
    x = 80,707.02

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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.