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Finding the Fourth Proportional to 119,654.28, 165,132.54 and 65,950.20

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Solution

The fourth proportional to 119,654.28, 165,132.54 and 65,950.20 is: 91,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,654.28 : 165,132.54 = 65,950.20 : x
  2. Step 2: Convert to fraction form
    119,654.28/165,132.54 = 65,950.20/x
  3. Step 3: Cross multiply
    119,654.28x = 165,132.54 × 65,950.20
  4. Step 4: Simplify right side
    119,654.28x = 10,890,524,039.51
  5. Step 5: Solve for x
    x = 10,890,524,039.51/119,654.28
  6. Step 6: Final answer
    x = 91,016.59

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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.