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Finding the Fourth Proportional to 107,606.90, 161,410.35 and 41,942.90

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Solution

The fourth proportional to 107,606.90, 161,410.35 and 41,942.90 is: 62,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,606.90 : 161,410.35 = 41,942.90 : x
  2. Step 2: Convert to fraction form
    107,606.90/161,410.35 = 41,942.90/x
  3. Step 3: Cross multiply
    107,606.90x = 161,410.35 × 41,942.90
  4. Step 4: Simplify right side
    107,606.90x = 6,770,018,169.02
  5. Step 5: Solve for x
    x = 6,770,018,169.02/107,606.90
  6. Step 6: Final answer
    x = 62,914.35

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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.