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Finding the Fourth Proportional to 143,889.55, 215,825.14 and 44,041.80

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Solution

The fourth proportional to 143,889.55, 215,825.14 and 44,041.80 is: 66,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,889.55 : 215,825.14 = 44,041.80 : x
  2. Step 2: Convert to fraction form
    143,889.55/215,825.14 = 44,041.80/x
  3. Step 3: Cross multiply
    143,889.55x = 215,825.14 × 44,041.80
  4. Step 4: Simplify right side
    143,889.55x = 9,505,327,650.85
  5. Step 5: Solve for x
    x = 9,505,327,650.85/143,889.55
  6. Step 6: Final answer
    x = 66,059.89

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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.