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Finding the Fourth Proportional to 178,474.60, 267,809.10 and 73,304.20

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Solution

The fourth proportional to 178,474.60, 267,809.10 and 73,304.20 is: 109,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,474.60 : 267,809.10 = 73,304.20 : x
  2. Step 2: Convert to fraction form
    178,474.60/267,809.10 = 73,304.20/x
  3. Step 3: Cross multiply
    178,474.60x = 267,809.10 × 73,304.20
  4. Step 4: Simplify right side
    178,474.60x = 19,631,531,828.22
  5. Step 5: Solve for x
    x = 19,631,531,828.22/178,474.60
  6. Step 6: Final answer
    x = 109,996.22

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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.