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Finding the Fourth Proportional to 227,689.36, 341,503.80 and 67,762.42

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Solution

The fourth proportional to 227,689.36, 341,503.80 and 67,762.42 is: 101,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,689.36 : 341,503.80 = 67,762.42 : x
  2. Step 2: Convert to fraction form
    227,689.36/341,503.80 = 67,762.42/x
  3. Step 3: Cross multiply
    227,689.36x = 341,503.80 × 67,762.42
  4. Step 4: Simplify right side
    227,689.36x = 23,141,123,927.20
  5. Step 5: Solve for x
    x = 23,141,123,927.20/227,689.36
  6. Step 6: Final answer
    x = 101,634.63

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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.