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Finding the Fourth Proportional to 178,511.72, 267,759.72 and 60,182.60

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Solution

The fourth proportional to 178,511.72, 267,759.72 and 60,182.60 is: 90,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,511.72 : 267,759.72 = 60,182.60 : x
  2. Step 2: Convert to fraction form
    178,511.72/267,759.72 = 60,182.60/x
  3. Step 3: Cross multiply
    178,511.72x = 267,759.72 × 60,182.60
  4. Step 4: Simplify right side
    178,511.72x = 16,114,476,124.87
  5. Step 5: Solve for x
    x = 16,114,476,124.87/178,511.72
  6. Step 6: Final answer
    x = 90,271.25

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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.