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Finding the Fourth Proportional to 178,633.88, 267,956.94 and 89,838.98

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Solution

The fourth proportional to 178,633.88, 267,956.94 and 89,838.98 is: 134,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,633.88 : 267,956.94 = 89,838.98 : x
  2. Step 2: Convert to fraction form
    178,633.88/267,956.94 = 89,838.98/x
  3. Step 3: Cross multiply
    178,633.88x = 267,956.94 × 89,838.98
  4. Step 4: Simplify right side
    178,633.88x = 24,072,978,173.52
  5. Step 5: Solve for x
    x = 24,072,978,173.52/178,633.88
  6. Step 6: Final answer
    x = 134,761.55

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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.