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Finding the Fourth Proportional to 364,006.60, 545,912.70 and 111,286.60

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Solution

The fourth proportional to 364,006.60, 545,912.70 and 111,286.60 is: 166,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,006.60 : 545,912.70 = 111,286.60 : x
  2. Step 2: Convert to fraction form
    364,006.60/545,912.70 = 111,286.60/x
  3. Step 3: Cross multiply
    364,006.60x = 545,912.70 × 111,286.60
  4. Step 4: Simplify right side
    364,006.60x = 60,752,768,279.82
  5. Step 5: Solve for x
    x = 60,752,768,279.82/364,006.60
  6. Step 6: Final answer
    x = 166,900.18

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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.