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Finding the Fourth Proportional to 93,392.23, 140,039.68 and 33,397.58

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Solution

The fourth proportional to 93,392.23, 140,039.68 and 33,397.58 is: 50,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,392.23 : 140,039.68 = 33,397.58 : x
  2. Step 2: Convert to fraction form
    93,392.23/140,039.68 = 33,397.58/x
  3. Step 3: Cross multiply
    93,392.23x = 140,039.68 × 33,397.58
  4. Step 4: Simplify right side
    93,392.23x = 4,676,986,415.97
  5. Step 5: Solve for x
    x = 4,676,986,415.97/93,392.23
  6. Step 6: Final answer
    x = 50,078.97

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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.