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Finding the Fourth Proportional to 178,329.13, 267,491.04 and 43,394.47

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Solution

The fourth proportional to 178,329.13, 267,491.04 and 43,394.47 is: 65,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,329.13 : 267,491.04 = 43,394.47 : x
  2. Step 2: Convert to fraction form
    178,329.13/267,491.04 = 43,394.47/x
  3. Step 3: Cross multiply
    178,329.13x = 267,491.04 × 43,394.47
  4. Step 4: Simplify right side
    178,329.13x = 11,607,631,910.55
  5. Step 5: Solve for x
    x = 11,607,631,910.55/178,329.13
  6. Step 6: Final answer
    x = 65,091.06

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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.