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Finding the Fourth Proportional to 364,007.60, 545,914.20 and 111,287.60

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Solution

The fourth proportional to 364,007.60, 545,914.20 and 111,287.60 is: 166,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,007.60 : 545,914.20 = 111,287.60 : x
  2. Step 2: Convert to fraction form
    364,007.60/545,914.20 = 111,287.60/x
  3. Step 3: Cross multiply
    364,007.60x = 545,914.20 × 111,287.60
  4. Step 4: Simplify right side
    364,007.60x = 60,753,481,123.92
  5. Step 5: Solve for x
    x = 60,753,481,123.92/364,007.60
  6. Step 6: Final answer
    x = 166,901.68

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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.