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Finding the Fourth Proportional to 119,716.71, 165,240.90 and 70,701.27

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Solution

The fourth proportional to 119,716.71, 165,240.90 and 70,701.27 is: 97,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.71 : 165,240.90 = 70,701.27 : x
  2. Step 2: Convert to fraction form
    119,716.71/165,240.90 = 70,701.27/x
  3. Step 3: Cross multiply
    119,716.71x = 165,240.90 × 70,701.27
  4. Step 4: Simplify right side
    119,716.71x = 11,682,741,485.94
  5. Step 5: Solve for x
    x = 11,682,741,485.94/119,716.71
  6. Step 6: Final answer
    x = 97,586.56

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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.