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Finding the Fourth Proportional to 93,832.65, 140,843.79 and 83,228.52

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Solution

The fourth proportional to 93,832.65, 140,843.79 and 83,228.52 is: 124,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,832.65 : 140,843.79 = 83,228.52 : x
  2. Step 2: Convert to fraction form
    93,832.65/140,843.79 = 83,228.52/x
  3. Step 3: Cross multiply
    93,832.65x = 140,843.79 × 83,228.52
  4. Step 4: Simplify right side
    93,832.65x = 11,722,220,192.89
  5. Step 5: Solve for x
    x = 11,722,220,192.89/93,832.65
  6. Step 6: Final answer
    x = 124,926.88

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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.