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Finding the Fourth Proportional to 93,834.65, 140,846.79 and 83,230.52

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Solution

The fourth proportional to 93,834.65, 140,846.79 and 83,230.52 is: 124,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,834.65 : 140,846.79 = 83,230.52 : x
  2. Step 2: Convert to fraction form
    93,834.65/140,846.79 = 83,230.52/x
  3. Step 3: Cross multiply
    93,834.65x = 140,846.79 × 83,230.52
  4. Step 4: Simplify right side
    93,834.65x = 11,722,751,572.03
  5. Step 5: Solve for x
    x = 11,722,751,572.03/93,834.65
  6. Step 6: Final answer
    x = 124,929.88

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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.