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Finding the Fourth Proportional to 230,981.92, 346,472.87 and 73,210.36

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Solution

The fourth proportional to 230,981.92, 346,472.87 and 73,210.36 is: 109,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,981.92 : 346,472.87 = 73,210.36 : x
  2. Step 2: Convert to fraction form
    230,981.92/346,472.87 = 73,210.36/x
  3. Step 3: Cross multiply
    230,981.92x = 346,472.87 × 73,210.36
  4. Step 4: Simplify right side
    230,981.92x = 25,365,403,542.93
  5. Step 5: Solve for x
    x = 25,365,403,542.93/230,981.92
  6. Step 6: Final answer
    x = 109,815.54

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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.