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Finding the Fourth Proportional to 178,028.75, 267,051.75 and 58,085.47

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Solution

The fourth proportional to 178,028.75, 267,051.75 and 58,085.47 is: 87,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,028.75 : 267,051.75 = 58,085.47 : x
  2. Step 2: Convert to fraction form
    178,028.75/267,051.75 = 58,085.47/x
  3. Step 3: Cross multiply
    178,028.75x = 267,051.75 × 58,085.47
  4. Step 4: Simplify right side
    178,028.75x = 15,511,826,413.07
  5. Step 5: Solve for x
    x = 15,511,826,413.07/178,028.75
  6. Step 6: Final answer
    x = 87,131.02

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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.