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Finding the Fourth Proportional to 227,283.89, 340,871.17 and 69,513.71

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Solution

The fourth proportional to 227,283.89, 340,871.17 and 69,513.71 is: 104,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,283.89 : 340,871.17 = 69,513.71 : x
  2. Step 2: Convert to fraction form
    227,283.89/340,871.17 = 69,513.71/x
  3. Step 3: Cross multiply
    227,283.89x = 340,871.17 × 69,513.71
  4. Step 4: Simplify right side
    227,283.89x = 23,695,219,658.74
  5. Step 5: Solve for x
    x = 23,695,219,658.74/227,283.89
  6. Step 6: Final answer
    x = 104,253.85

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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.