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Finding the Fourth Proportional to 227,308.40, 340,950.23 and 69,536.86

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Solution

The fourth proportional to 227,308.40, 340,950.23 and 69,536.86 is: 104,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,308.40 : 340,950.23 = 69,536.86 : x
  2. Step 2: Convert to fraction form
    227,308.40/340,950.23 = 69,536.86/x
  3. Step 3: Cross multiply
    227,308.40x = 340,950.23 × 69,536.86
  4. Step 4: Simplify right side
    227,308.40x = 23,708,607,731.94
  5. Step 5: Solve for x
    x = 23,708,607,731.94/227,308.40
  6. Step 6: Final answer
    x = 104,301.50

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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.