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Finding the Fourth Proportional to 119,582.64, 165,023.81 and 65,871.27

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Solution

The fourth proportional to 119,582.64, 165,023.81 and 65,871.27 is: 90,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,582.64 : 165,023.81 = 65,871.27 : x
  2. Step 2: Convert to fraction form
    119,582.64/165,023.81 = 65,871.27/x
  3. Step 3: Cross multiply
    119,582.64x = 165,023.81 × 65,871.27
  4. Step 4: Simplify right side
    119,582.64x = 10,870,327,944.94
  5. Step 5: Solve for x
    x = 10,870,327,944.94/119,582.64
  6. Step 6: Final answer
    x = 90,902.22

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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.