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Finding the Fourth Proportional to 221,591.74, 332,457.52 and 168,537.84

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Solution

The fourth proportional to 221,591.74, 332,457.52 and 168,537.84 is: 252,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,591.74 : 332,457.52 = 168,537.84 : x
  2. Step 2: Convert to fraction form
    221,591.74/332,457.52 = 168,537.84/x
  3. Step 3: Cross multiply
    221,591.74x = 332,457.52 × 168,537.84
  4. Step 4: Simplify right side
    221,591.74x = 56,031,672,312.56
  5. Step 5: Solve for x
    x = 56,031,672,312.56/221,591.74
  6. Step 6: Final answer
    x = 252,859.93

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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.