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Finding the Fourth Proportional to 119,305.44, 164,641.61 and 65,591.37

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Solution

The fourth proportional to 119,305.44, 164,641.61 and 65,591.37 is: 90,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,305.44 : 164,641.61 = 65,591.37 : x
  2. Step 2: Convert to fraction form
    119,305.44/164,641.61 = 65,591.37/x
  3. Step 3: Cross multiply
    119,305.44x = 164,641.61 × 65,591.37
  4. Step 4: Simplify right side
    119,305.44x = 10,799,068,922.88
  5. Step 5: Solve for x
    x = 10,799,068,922.88/119,305.44
  6. Step 6: Final answer
    x = 90,516.15

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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.