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Finding the Fourth Proportional to 363,729, 545,674.90 and 111,031.94

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Solution

The fourth proportional to 363,729, 545,674.90 and 111,031.94 is: 166,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,729 : 545,674.90 = 111,031.94 : x
  2. Step 2: Convert to fraction form
    363,729/545,674.90 = 111,031.94/x
  3. Step 3: Cross multiply
    363,729x = 545,674.90 × 111,031.94
  4. Step 4: Simplify right side
    363,729x = 60,587,342,756.31
  5. Step 5: Solve for x
    x = 60,587,342,756.31/363,729
  6. Step 6: Final answer
    x = 166,572.76

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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.