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Finding the Fourth Proportional to 178,060.96, 267,112.53 and 111,506.59

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Solution

The fourth proportional to 178,060.96, 267,112.53 and 111,506.59 is: 167,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,060.96 : 267,112.53 = 111,506.59 : x
  2. Step 2: Convert to fraction form
    178,060.96/267,112.53 = 111,506.59/x
  3. Step 3: Cross multiply
    178,060.96x = 267,112.53 × 111,506.59
  4. Step 4: Simplify right side
    178,060.96x = 29,784,806,698.79
  5. Step 5: Solve for x
    x = 29,784,806,698.79/178,060.96
  6. Step 6: Final answer
    x = 167,273.09

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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.