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Finding the Fourth Proportional to 106,656.62, 159,950.90 and 43,476.62

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Solution

The fourth proportional to 106,656.62, 159,950.90 and 43,476.62 is: 65,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,656.62 : 159,950.90 = 43,476.62 : x
  2. Step 2: Convert to fraction form
    106,656.62/159,950.90 = 43,476.62/x
  3. Step 3: Cross multiply
    106,656.62x = 159,950.90 × 43,476.62
  4. Step 4: Simplify right side
    106,656.62x = 6,954,123,806.90
  5. Step 5: Solve for x
    x = 6,954,123,806.90/106,656.62
  6. Step 6: Final answer
    x = 65,201.05

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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.