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Finding the Fourth Proportional to 178,390.63, 267,625.29 and 52,040.75

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Solution

The fourth proportional to 178,390.63, 267,625.29 and 52,040.75 is: 78,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,390.63 : 267,625.29 = 52,040.75 : x
  2. Step 2: Convert to fraction form
    178,390.63/267,625.29 = 52,040.75/x
  3. Step 3: Cross multiply
    178,390.63x = 267,625.29 × 52,040.75
  4. Step 4: Simplify right side
    178,390.63x = 13,927,420,680.47
  5. Step 5: Solve for x
    x = 13,927,420,680.47/178,390.63
  6. Step 6: Final answer
    x = 78,072.60

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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.