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Finding the Fourth Proportional to 178,568.54, 267,844.13 and 66,270.63

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Solution

The fourth proportional to 178,568.54, 267,844.13 and 66,270.63 is: 99,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,568.54 : 267,844.13 = 66,270.63 : x
  2. Step 2: Convert to fraction form
    178,568.54/267,844.13 = 66,270.63/x
  3. Step 3: Cross multiply
    178,568.54x = 267,844.13 × 66,270.63
  4. Step 4: Simplify right side
    178,568.54x = 17,750,199,236.90
  5. Step 5: Solve for x
    x = 17,750,199,236.90/178,568.54
  6. Step 6: Final answer
    x = 99,402.72

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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.