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Finding the Fourth Proportional to 221,462.04, 332,245.62 and 71,702.34

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Solution

The fourth proportional to 221,462.04, 332,245.62 and 71,702.34 is: 107,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,462.04 : 332,245.62 = 71,702.34 : x
  2. Step 2: Convert to fraction form
    221,462.04/332,245.62 = 71,702.34/x
  3. Step 3: Cross multiply
    221,462.04x = 332,245.62 × 71,702.34
  4. Step 4: Simplify right side
    221,462.04x = 23,822,788,408.75
  5. Step 5: Solve for x
    x = 23,822,788,408.75/221,462.04
  6. Step 6: Final answer
    x = 107,570.53

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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.