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Finding the Fourth Proportional to 221,151.60, 331,241.16 and 182,765.82

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Solution

The fourth proportional to 221,151.60, 331,241.16 and 182,765.82 is: 273,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,151.60 : 331,241.16 = 182,765.82 : x
  2. Step 2: Convert to fraction form
    221,151.60/331,241.16 = 182,765.82/x
  3. Step 3: Cross multiply
    221,151.60x = 331,241.16 × 182,765.82
  4. Step 4: Simplify right side
    221,151.60x = 60,539,562,225.15
  5. Step 5: Solve for x
    x = 60,539,562,225.15/221,151.60
  6. Step 6: Final answer
    x = 273,746.89

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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.