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Finding the Fourth Proportional to 119,753.28, 165,259.46 and 68,769.34

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Solution

The fourth proportional to 119,753.28, 165,259.46 and 68,769.34 is: 94,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.28 : 165,259.46 = 68,769.34 : x
  2. Step 2: Convert to fraction form
    119,753.28/165,259.46 = 68,769.34/x
  3. Step 3: Cross multiply
    119,753.28x = 165,259.46 × 68,769.34
  4. Step 4: Simplify right side
    119,753.28x = 11,364,783,992.96
  5. Step 5: Solve for x
    x = 11,364,783,992.96/119,753.28
  6. Step 6: Final answer
    x = 94,901.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.