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Finding the Fourth Proportional to 119,395.34, 164,760.37 and 65,676.95

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Solution

The fourth proportional to 119,395.34, 164,760.37 and 65,676.95 is: 90,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,395.34 : 164,760.37 = 65,676.95 : x
  2. Step 2: Convert to fraction form
    119,395.34/164,760.37 = 65,676.95/x
  3. Step 3: Cross multiply
    119,395.34x = 164,760.37 × 65,676.95
  4. Step 4: Simplify right side
    119,395.34x = 10,820,957,594.48
  5. Step 5: Solve for x
    x = 10,820,957,594.48/119,395.34
  6. Step 6: Final answer
    x = 90,631.33

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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.