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Finding the Fourth Proportional to 178,093.92, 267,114.72 and 67,260

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Solution

The fourth proportional to 178,093.92, 267,114.72 and 67,260 is: 100,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,093.92 : 267,114.72 = 67,260 : x
  2. Step 2: Convert to fraction form
    178,093.92/267,114.72 = 67,260/x
  3. Step 3: Cross multiply
    178,093.92x = 267,114.72 × 67,260
  4. Step 4: Simplify right side
    178,093.92x = 17,966,136,067.20
  5. Step 5: Solve for x
    x = 17,966,136,067.20/178,093.92
  6. Step 6: Final answer
    x = 100,880.12

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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.