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Finding the Fourth Proportional to 178,254.92, 267,379.53 and 43,320.08

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Solution

The fourth proportional to 178,254.92, 267,379.53 and 43,320.08 is: 64,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,254.92 : 267,379.53 = 43,320.08 : x
  2. Step 2: Convert to fraction form
    178,254.92/267,379.53 = 43,320.08/x
  3. Step 3: Cross multiply
    178,254.92x = 267,379.53 × 43,320.08
  4. Step 4: Simplify right side
    178,254.92x = 11,582,902,629.96
  5. Step 5: Solve for x
    x = 11,582,902,629.96/178,254.92
  6. Step 6: Final answer
    x = 64,979.43

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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.