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Finding the Fourth Proportional to 93,833.65, 140,845.29 and 83,229.52

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Solution

The fourth proportional to 93,833.65, 140,845.29 and 83,229.52 is: 124,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,833.65 : 140,845.29 = 83,229.52 : x
  2. Step 2: Convert to fraction form
    93,833.65/140,845.29 = 83,229.52/x
  3. Step 3: Cross multiply
    93,833.65x = 140,845.29 × 83,229.52
  4. Step 4: Simplify right side
    93,833.65x = 11,722,485,880.96
  5. Step 5: Solve for x
    x = 11,722,485,880.96/93,833.65
  6. Step 6: Final answer
    x = 124,928.38

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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.