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Finding the Fourth Proportional to 150,879.60, 226,465.20 and 91,830.60

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Solution

The fourth proportional to 150,879.60, 226,465.20 and 91,830.60 is: 137,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,879.60 : 226,465.20 = 91,830.60 : x
  2. Step 2: Convert to fraction form
    150,879.60/226,465.20 = 91,830.60/x
  3. Step 3: Cross multiply
    150,879.60x = 226,465.20 × 91,830.60
  4. Step 4: Simplify right side
    150,879.60x = 20,796,435,195.12
  5. Step 5: Solve for x
    x = 20,796,435,195.12/150,879.60
  6. Step 6: Final answer
    x = 137,834.64

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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.