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Finding the Fourth Proportional to 227,308.31, 340,950.09 and 69,536.76

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Solution

The fourth proportional to 227,308.31, 340,950.09 and 69,536.76 is: 104,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,308.31 : 340,950.09 = 69,536.76 : x
  2. Step 2: Convert to fraction form
    227,308.31/340,950.09 = 69,536.76/x
  3. Step 3: Cross multiply
    227,308.31x = 340,950.09 × 69,536.76
  4. Step 4: Simplify right side
    227,308.31x = 23,708,564,580.31
  5. Step 5: Solve for x
    x = 23,708,564,580.31/227,308.31
  6. Step 6: Final answer
    x = 104,301.36

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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.