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Finding the Fourth Proportional to 230,954.40, 346,366.80 and 73,231.20

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Solution

The fourth proportional to 230,954.40, 346,366.80 and 73,231.20 is: 109,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,954.40 : 346,366.80 = 73,231.20 : x
  2. Step 2: Convert to fraction form
    230,954.40/346,366.80 = 73,231.20/x
  3. Step 3: Cross multiply
    230,954.40x = 346,366.80 × 73,231.20
  4. Step 4: Simplify right side
    230,954.40x = 25,364,856,404.16
  5. Step 5: Solve for x
    x = 25,364,856,404.16/230,954.40
  6. Step 6: Final answer
    x = 109,826.25

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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.