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Finding the Fourth Proportional to 221,676.84, 332,543.79 and 101,704.86

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Solution

The fourth proportional to 221,676.84, 332,543.79 and 101,704.86 is: 152,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,676.84 : 332,543.79 = 101,704.86 : x
  2. Step 2: Convert to fraction form
    221,676.84/332,543.79 = 101,704.86/x
  3. Step 3: Cross multiply
    221,676.84x = 332,543.79 × 101,704.86
  4. Step 4: Simplify right side
    221,676.84x = 33,821,319,605.82
  5. Step 5: Solve for x
    x = 33,821,319,605.82/221,676.84
  6. Step 6: Final answer
    x = 152,570.38

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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.