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Finding the Fourth Proportional to 93,428.96, 140,057.09 and 37,255.41

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Solution

The fourth proportional to 93,428.96, 140,057.09 and 37,255.41 is: 55,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.96 : 140,057.09 = 37,255.41 : x
  2. Step 2: Convert to fraction form
    93,428.96/140,057.09 = 37,255.41/x
  3. Step 3: Cross multiply
    93,428.96x = 140,057.09 × 37,255.41
  4. Step 4: Simplify right side
    93,428.96x = 5,217,884,125.08
  5. Step 5: Solve for x
    x = 5,217,884,125.08/93,428.96
  6. Step 6: Final answer
    x = 55,848.68

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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.