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Finding the Fourth Proportional to 120,226.30, 165,876.47 and 69,237.68

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Solution

The fourth proportional to 120,226.30, 165,876.47 and 69,237.68 is: 95,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,226.30 : 165,876.47 = 69,237.68 : x
  2. Step 2: Convert to fraction form
    120,226.30/165,876.47 = 69,237.68/x
  3. Step 3: Cross multiply
    120,226.30x = 165,876.47 × 69,237.68
  4. Step 4: Simplify right side
    120,226.30x = 11,484,901,949.39
  5. Step 5: Solve for x
    x = 11,484,901,949.39/120,226.30
  6. Step 6: Final answer
    x = 95,527.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.