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Finding the Fourth Proportional to 143,710.92, 215,567.64 and 50,216.88

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Solution

The fourth proportional to 143,710.92, 215,567.64 and 50,216.88 is: 75,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,710.92 : 215,567.64 = 50,216.88 : x
  2. Step 2: Convert to fraction form
    143,710.92/215,567.64 = 50,216.88/x
  3. Step 3: Cross multiply
    143,710.92x = 215,567.64 × 50,216.88
  4. Step 4: Simplify right side
    143,710.92x = 10,825,134,309.76
  5. Step 5: Solve for x
    x = 10,825,134,309.76/143,710.92
  6. Step 6: Final answer
    x = 75,325.76

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1.5x scale

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.