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Finding the Fourth Proportional to 106,791.19, 160,435.94 and 62,449.16

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Solution

The fourth proportional to 106,791.19, 160,435.94 and 62,449.16 is: 93,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,791.19 : 160,435.94 = 62,449.16 : x
  2. Step 2: Convert to fraction form
    106,791.19/160,435.94 = 62,449.16/x
  3. Step 3: Cross multiply
    106,791.19x = 160,435.94 × 62,449.16
  4. Step 4: Simplify right side
    106,791.19x = 10,019,088,572.38
  5. Step 5: Solve for x
    x = 10,019,088,572.38/106,791.19
  6. Step 6: Final answer
    x = 93,819.43

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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.