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Finding the Fourth Proportional to 363,818.04, 545,747.31 and 111,136.92

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Solution

The fourth proportional to 363,818.04, 545,747.31 and 111,136.92 is: 166,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,818.04 : 545,747.31 = 111,136.92 : x
  2. Step 2: Convert to fraction form
    363,818.04/545,747.31 = 111,136.92/x
  3. Step 3: Cross multiply
    363,818.04x = 545,747.31 × 111,136.92
  4. Step 4: Simplify right side
    363,818.04x = 60,652,675,131.69
  5. Step 5: Solve for x
    x = 60,652,675,131.69/363,818.04
  6. Step 6: Final answer
    x = 166,711.57

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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.