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Finding the Fourth Proportional to 146,799.80, 220,026.90 and 109,820.60

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Solution

The fourth proportional to 146,799.80, 220,026.90 and 109,820.60 is: 164,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,799.80 : 220,026.90 = 109,820.60 : x
  2. Step 2: Convert to fraction form
    146,799.80/220,026.90 = 109,820.60/x
  3. Step 3: Cross multiply
    146,799.80x = 220,026.90 × 109,820.60
  4. Step 4: Simplify right side
    146,799.80x = 24,163,486,174.14
  5. Step 5: Solve for x
    x = 24,163,486,174.14/146,799.80
  6. Step 6: Final answer
    x = 164,601.63

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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.