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Finding the Fourth Proportional to 178,563.53, 267,845.29 and 139,150.14

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Solution

The fourth proportional to 178,563.53, 267,845.29 and 139,150.14 is: 208,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,563.53 : 267,845.29 = 139,150.14 : x
  2. Step 2: Convert to fraction form
    178,563.53/267,845.29 = 139,150.14/x
  3. Step 3: Cross multiply
    178,563.53x = 267,845.29 × 139,150.14
  4. Step 4: Simplify right side
    178,563.53x = 37,270,709,253.97
  5. Step 5: Solve for x
    x = 37,270,709,253.97/178,563.53
  6. Step 6: Final answer
    x = 208,725.21

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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.