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Finding the Fourth Proportional to 227,217.47, 340,826.21 and 69,444.56

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Solution

The fourth proportional to 227,217.47, 340,826.21 and 69,444.56 is: 104,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,217.47 : 340,826.21 = 69,444.56 : x
  2. Step 2: Convert to fraction form
    227,217.47/340,826.21 = 69,444.56/x
  3. Step 3: Cross multiply
    227,217.47x = 340,826.21 × 69,444.56
  4. Step 4: Simplify right side
    227,217.47x = 23,668,525,428.66
  5. Step 5: Solve for x
    x = 23,668,525,428.66/227,217.47
  6. Step 6: Final answer
    x = 104,166.84

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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.