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Finding the Fourth Proportional to 178,464.96, 267,171.47 and 156,321.58

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Solution

The fourth proportional to 178,464.96, 267,171.47 and 156,321.58 is: 234,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,464.96 : 267,171.47 = 156,321.58 : x
  2. Step 2: Convert to fraction form
    178,464.96/267,171.47 = 156,321.58/x
  3. Step 3: Cross multiply
    178,464.96x = 267,171.47 × 156,321.58
  4. Step 4: Simplify right side
    178,464.96x = 41,764,666,321.32
  5. Step 5: Solve for x
    x = 41,764,666,321.32/178,464.96
  6. Step 6: Final answer
    x = 234,021.66

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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.