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Finding the Fourth Proportional to 146,620.40, 220,060.20 and 125,625.20

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Solution

The fourth proportional to 146,620.40, 220,060.20 and 125,625.20 is: 188,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,620.40 : 220,060.20 = 125,625.20 : x
  2. Step 2: Convert to fraction form
    146,620.40/220,060.20 = 125,625.20/x
  3. Step 3: Cross multiply
    146,620.40x = 220,060.20 × 125,625.20
  4. Step 4: Simplify right side
    146,620.40x = 27,645,106,637.04
  5. Step 5: Solve for x
    x = 27,645,106,637.04/146,620.40
  6. Step 6: Final answer
    x = 188,548.84

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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.