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Finding the Fourth Proportional to 164,930.87, 247,436.60 and 52,611.11

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Solution

The fourth proportional to 164,930.87, 247,436.60 and 52,611.11 is: 78,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,930.87 : 247,436.60 = 52,611.11 : x
  2. Step 2: Convert to fraction form
    164,930.87/247,436.60 = 52,611.11/x
  3. Step 3: Cross multiply
    164,930.87x = 247,436.60 × 52,611.11
  4. Step 4: Simplify right side
    164,930.87x = 13,017,912,680.39
  5. Step 5: Solve for x
    x = 13,017,912,680.39/164,930.87
  6. Step 6: Final answer
    x = 78,929.51

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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.