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Finding the Fourth Proportional to 178,695, 246,597.27 and 98,121.77

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Solution

The fourth proportional to 178,695, 246,597.27 and 98,121.77 is: 135,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,695 : 246,597.27 = 98,121.77 : x
  2. Step 2: Convert to fraction form
    178,695/246,597.27 = 98,121.77/x
  3. Step 3: Cross multiply
    178,695x = 246,597.27 × 98,121.77
  4. Step 4: Simplify right side
    178,695x = 24,196,560,609.57
  5. Step 5: Solve for x
    x = 24,196,560,609.57/178,695
  6. Step 6: Final answer
    x = 135,407.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.