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Finding the Fourth Proportional to 143,874.40, 215,836.26 and 44,032.12

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Solution

The fourth proportional to 143,874.40, 215,836.26 and 44,032.12 is: 66,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,874.40 : 215,836.26 = 44,032.12 : x
  2. Step 2: Convert to fraction form
    143,874.40/215,836.26 = 44,032.12/x
  3. Step 3: Cross multiply
    143,874.40x = 215,836.26 × 44,032.12
  4. Step 4: Simplify right side
    143,874.40x = 9,503,728,100.67
  5. Step 5: Solve for x
    x = 9,503,728,100.67/143,874.40
  6. Step 6: Final answer
    x = 66,055.73

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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.