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Finding the Fourth Proportional to 180,093.24, 248,516.24 and 99,520

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Solution

The fourth proportional to 180,093.24, 248,516.24 and 99,520 is: 137,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,093.24 : 248,516.24 = 99,520 : x
  2. Step 2: Convert to fraction form
    180,093.24/248,516.24 = 99,520/x
  3. Step 3: Cross multiply
    180,093.24x = 248,516.24 × 99,520
  4. Step 4: Simplify right side
    180,093.24x = 24,732,336,204.80
  5. Step 5: Solve for x
    x = 24,732,336,204.80/180,093.24
  6. Step 6: Final answer
    x = 137,330.73

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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.