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Finding the Fourth Proportional to 178,153.97, 267,224.47 and 53,491.73

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Solution

The fourth proportional to 178,153.97, 267,224.47 and 53,491.73 is: 80,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,153.97 : 267,224.47 = 53,491.73 : x
  2. Step 2: Convert to fraction form
    178,153.97/267,224.47 = 53,491.73/x
  3. Step 3: Cross multiply
    178,153.97x = 267,224.47 × 53,491.73
  4. Step 4: Simplify right side
    178,153.97x = 14,294,297,728.78
  5. Step 5: Solve for x
    x = 14,294,297,728.78/178,153.97
  6. Step 6: Final answer
    x = 80,235.64

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1.5x scale

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.