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Finding the Fourth Proportional to 119,667.08, 165,142.32 and 65,951.39

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Solution

The fourth proportional to 119,667.08, 165,142.32 and 65,951.39 is: 91,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,667.08 : 165,142.32 = 65,951.39 : x
  2. Step 2: Convert to fraction form
    119,667.08/165,142.32 = 65,951.39/x
  3. Step 3: Cross multiply
    119,667.08x = 165,142.32 × 65,951.39
  4. Step 4: Simplify right side
    119,667.08x = 10,891,365,551.82
  5. Step 5: Solve for x
    x = 10,891,365,551.82/119,667.08
  6. Step 6: Final answer
    x = 91,013.88

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