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Finding the Fourth Proportional to 178,443.54, 267,558.38 and 56,811.51

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Solution

The fourth proportional to 178,443.54, 267,558.38 and 56,811.51 is: 85,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,443.54 : 267,558.38 = 56,811.51 : x
  2. Step 2: Convert to fraction form
    178,443.54/267,558.38 = 56,811.51/x
  3. Step 3: Cross multiply
    178,443.54x = 267,558.38 × 56,811.51
  4. Step 4: Simplify right side
    178,443.54x = 15,200,395,296.90
  5. Step 5: Solve for x
    x = 15,200,395,296.90/178,443.54
  6. Step 6: Final answer
    x = 85,183.22

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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.