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Finding the Fourth Proportional to 178,287.96, 267,429.89 and 43,352.79

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Solution

The fourth proportional to 178,287.96, 267,429.89 and 43,352.79 is: 65,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,287.96 : 267,429.89 = 43,352.79 : x
  2. Step 2: Convert to fraction form
    178,287.96/267,429.89 = 43,352.79/x
  3. Step 3: Cross multiply
    178,287.96x = 267,429.89 × 43,352.79
  4. Step 4: Simplify right side
    178,287.96x = 11,593,831,644.13
  5. Step 5: Solve for x
    x = 11,593,831,644.13/178,287.96
  6. Step 6: Final answer
    x = 65,028.69

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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.