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Finding the Fourth Proportional to 93,790.92, 140,727.06 and 51,619.44

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Solution

The fourth proportional to 93,790.92, 140,727.06 and 51,619.44 is: 77,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,790.92 : 140,727.06 = 51,619.44 : x
  2. Step 2: Convert to fraction form
    93,790.92/140,727.06 = 51,619.44/x
  3. Step 3: Cross multiply
    93,790.92x = 140,727.06 × 51,619.44
  4. Step 4: Simplify right side
    93,790.92x = 7,264,252,030.05
  5. Step 5: Solve for x
    x = 7,264,252,030.05/93,790.92
  6. Step 6: Final answer
    x = 77,451.55

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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.