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Finding the Fourth Proportional to 178,286.40, 267,364.80 and 59,961.60

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Solution

The fourth proportional to 178,286.40, 267,364.80 and 59,961.60 is: 89,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,286.40 : 267,364.80 = 59,961.60 : x
  2. Step 2: Convert to fraction form
    178,286.40/267,364.80 = 59,961.60/x
  3. Step 3: Cross multiply
    178,286.40x = 267,364.80 × 59,961.60
  4. Step 4: Simplify right side
    178,286.40x = 16,031,621,191.68
  5. Step 5: Solve for x
    x = 16,031,621,191.68/178,286.40
  6. Step 6: Final answer
    x = 89,920.61

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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.