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Finding the Fourth Proportional to 227,172.73, 340,762.65 and 67,264.89

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Solution

The fourth proportional to 227,172.73, 340,762.65 and 67,264.89 is: 100,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,172.73 : 340,762.65 = 67,264.89 : x
  2. Step 2: Convert to fraction form
    227,172.73/340,762.65 = 67,264.89/x
  3. Step 3: Cross multiply
    227,172.73x = 340,762.65 × 67,264.89
  4. Step 4: Simplify right side
    227,172.73x = 22,921,362,168.36
  5. Step 5: Solve for x
    x = 22,921,362,168.36/227,172.73
  6. Step 6: Final answer
    x = 100,898.39

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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.