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Finding the Fourth Proportional to 178,760.79, 268,141.65 and 43,825.47

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Solution

The fourth proportional to 178,760.79, 268,141.65 and 43,825.47 is: 65,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,760.79 : 268,141.65 = 43,825.47 : x
  2. Step 2: Convert to fraction form
    178,760.79/268,141.65 = 43,825.47/x
  3. Step 3: Cross multiply
    178,760.79x = 268,141.65 × 43,825.47
  4. Step 4: Simplify right side
    178,760.79x = 11,751,433,353.17
  5. Step 5: Solve for x
    x = 11,751,433,353.17/178,760.79
  6. Step 6: Final answer
    x = 65,738.32

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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.