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Finding the Fourth Proportional to 43,999.90, 65,902.65 and 34,107.10

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Solution

The fourth proportional to 43,999.90, 65,902.65 and 34,107.10 is: 51,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.90 : 65,902.65 = 34,107.10 : x
  2. Step 2: Convert to fraction form
    43,999.90/65,902.65 = 34,107.10/x
  3. Step 3: Cross multiply
    43,999.90x = 65,902.65 × 34,107.10
  4. Step 4: Simplify right side
    43,999.90x = 2,247,748,273.82
  5. Step 5: Solve for x
    x = 2,247,748,273.82/43,999.90
  6. Step 6: Final answer
    x = 51,085.30

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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.