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Finding the Fourth Proportional to 119,775.70, 165,185.49 and 95,893.66

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Solution

The fourth proportional to 119,775.70, 165,185.49 and 95,893.66 is: 132,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,775.70 : 165,185.49 = 95,893.66 : x
  2. Step 2: Convert to fraction form
    119,775.70/165,185.49 = 95,893.66/x
  3. Step 3: Cross multiply
    119,775.70x = 165,185.49 × 95,893.66
  4. Step 4: Simplify right side
    119,775.70x = 15,840,241,214.99
  5. Step 5: Solve for x
    x = 15,840,241,214.99/119,775.70
  6. Step 6: Final answer
    x = 132,249.21

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1.5x scale

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.