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Finding the Fourth Proportional to 143,298.77, 214,947.37 and 36,682.52

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Solution

The fourth proportional to 143,298.77, 214,947.37 and 36,682.52 is: 55,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,298.77 : 214,947.37 = 36,682.52 : x
  2. Step 2: Convert to fraction form
    143,298.77/214,947.37 = 36,682.52/x
  3. Step 3: Cross multiply
    143,298.77x = 214,947.37 × 36,682.52
  4. Step 4: Simplify right side
    143,298.77x = 7,884,811,379.17
  5. Step 5: Solve for x
    x = 7,884,811,379.17/143,298.77
  6. Step 6: Final answer
    x = 55,023.58

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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.