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Finding the Fourth Proportional to 178,513.30, 267,770.86 and 60,185.67

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Solution

The fourth proportional to 178,513.30, 267,770.86 and 60,185.67 is: 90,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,513.30 : 267,770.86 = 60,185.67 : x
  2. Step 2: Convert to fraction form
    178,513.30/267,770.86 = 60,185.67/x
  3. Step 3: Cross multiply
    178,513.30x = 267,770.86 × 60,185.67
  4. Step 4: Simplify right side
    178,513.30x = 16,115,967,799.52
  5. Step 5: Solve for x
    x = 16,115,967,799.52/178,513.30
  6. Step 6: Final answer
    x = 90,278.81

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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.