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Finding the Fourth Proportional to 220,676.60, 330,755.70 and 102,097.46

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Solution

The fourth proportional to 220,676.60, 330,755.70 and 102,097.46 is: 153,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,676.60 : 330,755.70 = 102,097.46 : x
  2. Step 2: Convert to fraction form
    220,676.60/330,755.70 = 102,097.46/x
  3. Step 3: Cross multiply
    220,676.60x = 330,755.70 × 102,097.46
  4. Step 4: Simplify right side
    220,676.60x = 33,769,316,850.52
  5. Step 5: Solve for x
    x = 33,769,316,850.52/220,676.60
  6. Step 6: Final answer
    x = 153,026.27

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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.