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Finding the Fourth Proportional to 230,788.64, 346,195.56 and 73,005.36

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Solution

The fourth proportional to 230,788.64, 346,195.56 and 73,005.36 is: 109,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,788.64 : 346,195.56 = 73,005.36 : x
  2. Step 2: Convert to fraction form
    230,788.64/346,195.56 = 73,005.36/x
  3. Step 3: Cross multiply
    230,788.64x = 346,195.56 × 73,005.36
  4. Step 4: Simplify right side
    230,788.64x = 25,274,131,488.20
  5. Step 5: Solve for x
    x = 25,274,131,488.20/230,788.64
  6. Step 6: Final answer
    x = 109,512.03

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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.