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Finding the Fourth Proportional to 143,798.27, 215,697.95 and 43,958.08

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Solution

The fourth proportional to 143,798.27, 215,697.95 and 43,958.08 is: 65,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,798.27 : 215,697.95 = 43,958.08 : x
  2. Step 2: Convert to fraction form
    143,798.27/215,697.95 = 43,958.08/x
  3. Step 3: Cross multiply
    143,798.27x = 215,697.95 × 43,958.08
  4. Step 4: Simplify right side
    143,798.27x = 9,481,667,741.94
  5. Step 5: Solve for x
    x = 9,481,667,741.94/143,798.27
  6. Step 6: Final answer
    x = 65,937.29

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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.