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Finding the Fourth Proportional to 227,439.84, 341,221.50 and 69,664.80

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Solution

The fourth proportional to 227,439.84, 341,221.50 and 69,664.80 is: 104,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,439.84 : 341,221.50 = 69,664.80 : x
  2. Step 2: Convert to fraction form
    227,439.84/341,221.50 = 69,664.80/x
  3. Step 3: Cross multiply
    227,439.84x = 341,221.50 × 69,664.80
  4. Step 4: Simplify right side
    227,439.84x = 23,771,127,553.20
  5. Step 5: Solve for x
    x = 23,771,127,553.20/227,439.84
  6. Step 6: Final answer
    x = 104,516.11

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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.