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Finding the Fourth Proportional to 119,673.79, 165,149.01 and 65,958.84

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Solution

The fourth proportional to 119,673.79, 165,149.01 and 65,958.84 is: 91,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,673.79 : 165,149.01 = 65,958.84 : x
  2. Step 2: Convert to fraction form
    119,673.79/165,149.01 = 65,958.84/x
  3. Step 3: Cross multiply
    119,673.79x = 165,149.01 × 65,958.84
  4. Step 4: Simplify right side
    119,673.79x = 10,893,037,126.75
  5. Step 5: Solve for x
    x = 10,893,037,126.75/119,673.79
  6. Step 6: Final answer
    x = 91,022.75

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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.