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Finding the Fourth Proportional to 119,373.56, 164,735.60 and 65,662.66

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Solution

The fourth proportional to 119,373.56, 164,735.60 and 65,662.66 is: 90,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.56 : 164,735.60 = 65,662.66 : x
  2. Step 2: Convert to fraction form
    119,373.56/164,735.60 = 65,662.66/x
  3. Step 3: Cross multiply
    119,373.56x = 164,735.60 × 65,662.66
  4. Step 4: Simplify right side
    119,373.56x = 10,816,977,692.70
  5. Step 5: Solve for x
    x = 10,816,977,692.70/119,373.56
  6. Step 6: Final answer
    x = 90,614.52

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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.