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Finding the Fourth Proportional to 178,453.72, 267,736.02 and 107,454.52

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Solution

The fourth proportional to 178,453.72, 267,736.02 and 107,454.52 is: 161,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,453.72 : 267,736.02 = 107,454.52 : x
  2. Step 2: Convert to fraction form
    178,453.72/267,736.02 = 107,454.52/x
  3. Step 3: Cross multiply
    178,453.72x = 267,736.02 × 107,454.52
  4. Step 4: Simplify right side
    178,453.72x = 28,769,445,515.81
  5. Step 5: Solve for x
    x = 28,769,445,515.81/178,453.72
  6. Step 6: Final answer
    x = 161,215.16

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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.