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Finding the Fourth Proportional to 178,244.89, 267,354.34 and 65,872.71

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Solution

The fourth proportional to 178,244.89, 267,354.34 and 65,872.71 is: 98,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,244.89 : 267,354.34 = 65,872.71 : x
  2. Step 2: Convert to fraction form
    178,244.89/267,354.34 = 65,872.71/x
  3. Step 3: Cross multiply
    178,244.89x = 267,354.34 × 65,872.71
  4. Step 4: Simplify right side
    178,244.89x = 17,611,354,741.38
  5. Step 5: Solve for x
    x = 17,611,354,741.38/178,244.89
  6. Step 6: Final answer
    x = 98,804.26

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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.