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Finding the Fourth Proportional to 228,880.60, 343,353.30 and 71,092.60

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Solution

The fourth proportional to 228,880.60, 343,353.30 and 71,092.60 is: 106,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,880.60 : 343,353.30 = 71,092.60 : x
  2. Step 2: Convert to fraction form
    228,880.60/343,353.30 = 71,092.60/x
  3. Step 3: Cross multiply
    228,880.60x = 343,353.30 × 71,092.60
  4. Step 4: Simplify right side
    228,880.60x = 24,409,878,815.58
  5. Step 5: Solve for x
    x = 24,409,878,815.58/228,880.60
  6. Step 6: Final answer
    x = 106,648.96

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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.