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Finding the Fourth Proportional to 237,384.60, 356,076.90 and 71,172.60

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Solution

The fourth proportional to 237,384.60, 356,076.90 and 71,172.60 is: 106,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,384.60 : 356,076.90 = 71,172.60 : x
  2. Step 2: Convert to fraction form
    237,384.60/356,076.90 = 71,172.60/x
  3. Step 3: Cross multiply
    237,384.60x = 356,076.90 × 71,172.60
  4. Step 4: Simplify right side
    237,384.60x = 25,342,918,772.94
  5. Step 5: Solve for x
    x = 25,342,918,772.94/237,384.60
  6. Step 6: Final answer
    x = 106,758.90

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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.