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Finding the Fourth Proportional to 93,763.08, 140,644.20 and 38,359.08

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Solution

The fourth proportional to 93,763.08, 140,644.20 and 38,359.08 is: 57,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.08 : 140,644.20 = 38,359.08 : x
  2. Step 2: Convert to fraction form
    93,763.08/140,644.20 = 38,359.08/x
  3. Step 3: Cross multiply
    93,763.08x = 140,644.20 × 38,359.08
  4. Step 4: Simplify right side
    93,763.08x = 5,394,982,119.34
  5. Step 5: Solve for x
    x = 5,394,982,119.34/93,763.08
  6. Step 6: Final answer
    x = 57,538.45

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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.