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Finding the Fourth Proportional to 230,885.28, 346,293.28 and 73,093.28

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Solution

The fourth proportional to 230,885.28, 346,293.28 and 73,093.28 is: 109,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,885.28 : 346,293.28 = 73,093.28 : x
  2. Step 2: Convert to fraction form
    230,885.28/346,293.28 = 73,093.28/x
  3. Step 3: Cross multiply
    230,885.28x = 346,293.28 × 73,093.28
  4. Step 4: Simplify right side
    230,885.28x = 25,311,711,677.16
  5. Step 5: Solve for x
    x = 25,311,711,677.16/230,885.28
  6. Step 6: Final answer
    x = 109,628.95

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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.