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Finding the Fourth Proportional to 178,469.48, 267,618.80 and 103,610.30

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Solution

The fourth proportional to 178,469.48, 267,618.80 and 103,610.30 is: 155,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,469.48 : 267,618.80 = 103,610.30 : x
  2. Step 2: Convert to fraction form
    178,469.48/267,618.80 = 103,610.30/x
  3. Step 3: Cross multiply
    178,469.48x = 267,618.80 × 103,610.30
  4. Step 4: Simplify right side
    178,469.48x = 27,728,064,153.64
  5. Step 5: Solve for x
    x = 27,728,064,153.64/178,469.48
  6. Step 6: Final answer
    x = 155,365.86

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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.