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Finding the Fourth Proportional to 146,622.40, 220,063.20 and 125,627.20

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Solution

The fourth proportional to 146,622.40, 220,063.20 and 125,627.20 is: 188,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,622.40 : 220,063.20 = 125,627.20 : x
  2. Step 2: Convert to fraction form
    146,622.40/220,063.20 = 125,627.20/x
  3. Step 3: Cross multiply
    146,622.40x = 220,063.20 × 125,627.20
  4. Step 4: Simplify right side
    146,622.40x = 27,645,923,639.04
  5. Step 5: Solve for x
    x = 27,645,923,639.04/146,622.40
  6. Step 6: Final answer
    x = 188,551.84

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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.