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Finding the Fourth Proportional to 164,101.72, 246,154.53 and 45,765.85

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Solution

The fourth proportional to 164,101.72, 246,154.53 and 45,765.85 is: 68,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,101.72 : 246,154.53 = 45,765.85 : x
  2. Step 2: Convert to fraction form
    164,101.72/246,154.53 = 45,765.85/x
  3. Step 3: Cross multiply
    164,101.72x = 246,154.53 × 45,765.85
  4. Step 4: Simplify right side
    164,101.72x = 11,265,471,296.80
  5. Step 5: Solve for x
    x = 11,265,471,296.80/164,101.72
  6. Step 6: Final answer
    x = 68,649.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.