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Finding the Fourth Proportional to 178,179.14, 267,080.97 and 65,787.41

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Solution

The fourth proportional to 178,179.14, 267,080.97 and 65,787.41 is: 98,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,179.14 : 267,080.97 = 65,787.41 : x
  2. Step 2: Convert to fraction form
    178,179.14/267,080.97 = 65,787.41/x
  3. Step 3: Cross multiply
    178,179.14x = 267,080.97 × 65,787.41
  4. Step 4: Simplify right side
    178,179.14x = 17,570,565,276.59
  5. Step 5: Solve for x
    x = 17,570,565,276.59/178,179.14
  6. Step 6: Final answer
    x = 98,611.80

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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.