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Finding the Fourth Proportional to 143,900.44, 215,798.82 and 60,800.92

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Solution

The fourth proportional to 143,900.44, 215,798.82 and 60,800.92 is: 91,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,900.44 : 215,798.82 = 60,800.92 : x
  2. Step 2: Convert to fraction form
    143,900.44/215,798.82 = 60,800.92/x
  3. Step 3: Cross multiply
    143,900.44x = 215,798.82 × 60,800.92
  4. Step 4: Simplify right side
    143,900.44x = 13,120,766,790.91
  5. Step 5: Solve for x
    x = 13,120,766,790.91/143,900.44
  6. Step 6: Final answer
    x = 91,179.48

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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.