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Finding the Fourth Proportional to 220,671.10, 330,747.45 and 102,091.96

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Solution

The fourth proportional to 220,671.10, 330,747.45 and 102,091.96 is: 153,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,671.10 : 330,747.45 = 102,091.96 : x
  2. Step 2: Convert to fraction form
    220,671.10/330,747.45 = 102,091.96/x
  3. Step 3: Cross multiply
    220,671.10x = 330,747.45 × 102,091.96
  4. Step 4: Simplify right side
    220,671.10x = 33,766,655,435.50
  5. Step 5: Solve for x
    x = 33,766,655,435.50/220,671.10
  6. Step 6: Final answer
    x = 153,018.02

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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.