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Finding the Fourth Proportional to 178,295.73, 267,485.00 and 51,938.97

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Solution

The fourth proportional to 178,295.73, 267,485.00 and 51,938.97 is: 77,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,295.73 : 267,485.00 = 51,938.97 : x
  2. Step 2: Convert to fraction form
    178,295.73/267,485.00 = 51,938.97/x
  3. Step 3: Cross multiply
    178,295.73x = 267,485.00 × 51,938.97
  4. Step 4: Simplify right side
    178,295.73x = 13,892,895,130.76
  5. Step 5: Solve for x
    x = 13,892,895,130.76/178,295.73
  6. Step 6: Final answer
    x = 77,920.52

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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.