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Finding the Fourth Proportional to 178,373.84, 267,575.32 and 89,581.68

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Solution

The fourth proportional to 178,373.84, 267,575.32 and 89,581.68 is: 134,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,373.84 : 267,575.32 = 89,581.68 : x
  2. Step 2: Convert to fraction form
    178,373.84/267,575.32 = 89,581.68/x
  3. Step 3: Cross multiply
    178,373.84x = 267,575.32 × 89,581.68
  4. Step 4: Simplify right side
    178,373.84x = 23,969,846,692.14
  5. Step 5: Solve for x
    x = 23,969,846,692.14/178,373.84
  6. Step 6: Final answer
    x = 134,379.83

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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.