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Finding the Fourth Proportional to 117,644.60, 176,207.70 and 104,511.80

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Solution

The fourth proportional to 117,644.60, 176,207.70 and 104,511.80 is: 156,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,644.60 : 176,207.70 = 104,511.80 : x
  2. Step 2: Convert to fraction form
    117,644.60/176,207.70 = 104,511.80/x
  3. Step 3: Cross multiply
    117,644.60x = 176,207.70 × 104,511.80
  4. Step 4: Simplify right side
    117,644.60x = 18,415,783,900.86
  5. Step 5: Solve for x
    x = 18,415,783,900.86/117,644.60
  6. Step 6: Final answer
    x = 156,537.43

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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.