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Finding the Fourth Proportional to 230,980.44, 346,482.94 and 73,221.24

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Solution

The fourth proportional to 230,980.44, 346,482.94 and 73,221.24 is: 109,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,980.44 : 346,482.94 = 73,221.24 : x
  2. Step 2: Convert to fraction form
    230,980.44/346,482.94 = 73,221.24/x
  3. Step 3: Cross multiply
    230,980.44x = 346,482.94 × 73,221.24
  4. Step 4: Simplify right side
    230,980.44x = 25,369,910,505.65
  5. Step 5: Solve for x
    x = 25,369,910,505.65/230,980.44
  6. Step 6: Final answer
    x = 109,835.75

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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.