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Finding the Fourth Proportional to 104,007.96, 155,870.57 and 43,986.54

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Solution

The fourth proportional to 104,007.96, 155,870.57 and 43,986.54 is: 65,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,007.96 : 155,870.57 = 43,986.54 : x
  2. Step 2: Convert to fraction form
    104,007.96/155,870.57 = 43,986.54/x
  3. Step 3: Cross multiply
    104,007.96x = 155,870.57 × 43,986.54
  4. Step 4: Simplify right side
    104,007.96x = 6,856,207,062.13
  5. Step 5: Solve for x
    x = 6,856,207,062.13/104,007.96
  6. Step 6: Final answer
    x = 65,920.02

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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.