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Finding the Fourth Proportional to 221,893.40, 332,840.10 and 151,034.60

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Solution

The fourth proportional to 221,893.40, 332,840.10 and 151,034.60 is: 226,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,893.40 : 332,840.10 = 151,034.60 : x
  2. Step 2: Convert to fraction form
    221,893.40/332,840.10 = 151,034.60/x
  3. Step 3: Cross multiply
    221,893.40x = 332,840.10 × 151,034.60
  4. Step 4: Simplify right side
    221,893.40x = 50,270,371,367.46
  5. Step 5: Solve for x
    x = 50,270,371,367.46/221,893.40
  6. Step 6: Final answer
    x = 226,551.90

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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.