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Finding the Fourth Proportional to 164,855.60, 246,627.30 and 142,912.70

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Solution

The fourth proportional to 164,855.60, 246,627.30 and 142,912.70 is: 213,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,855.60 : 246,627.30 = 142,912.70 : x
  2. Step 2: Convert to fraction form
    164,855.60/246,627.30 = 142,912.70/x
  3. Step 3: Cross multiply
    164,855.60x = 246,627.30 × 142,912.70
  4. Step 4: Simplify right side
    164,855.60x = 35,246,173,336.71
  5. Step 5: Solve for x
    x = 35,246,173,336.71/164,855.60
  6. Step 6: Final answer
    x = 213,800.28

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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.