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Finding the Fourth Proportional to 178,015.93, 267,023.22 and 72,834.86

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Solution

The fourth proportional to 178,015.93, 267,023.22 and 72,834.86 is: 109,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,015.93 : 267,023.22 = 72,834.86 : x
  2. Step 2: Convert to fraction form
    178,015.93/267,023.22 = 72,834.86/x
  3. Step 3: Cross multiply
    178,015.93x = 267,023.22 × 72,834.86
  4. Step 4: Simplify right side
    178,015.93x = 19,448,599,239.88
  5. Step 5: Solve for x
    x = 19,448,599,239.88/178,015.93
  6. Step 6: Final answer
    x = 109,252.02

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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.